Carnatic instrument · Side-blown flute

Venuवेणु

The venu is the eight-hole flute of Carnatic music, which grew from a folk instrument into a vehicle for raga and gamaka.

Family
Side-blown flute
Material
Single internode of bamboo
Finger holes
8, no keys
Range
About 2.5 to 3 octaves

Buy from us

Choose your venu

Ask about a custom order
  • Student

    Student venu

    From £250

    Well-made student venus are in true concert pitch, with refined hole sizing.

  • Professional

    Professional venu

    £350 to £600

    Professional flutes from specialist Chennai makers are tuned to a precise pitch and tested across the range.

What to look for

Choose the pitch with your teacher. Chennai makers build the venu in all twelve keys, E-flat or E most often, and a concert venu in E-flat measures about 37 to 40 cm. Then check every note and the hand orientation, since tuning varies between flutes: each is hand-tuned by the maker, its holes filed or filled until the scale sits true. Decide too between the traditional fingering and the Shashank style, which closes six holes for ma, and between the standard flute and a modern design with a lip plate.

The bamboo should be one internode with even walls, straight grain and no cracks or nodes in the playing length. A crack through to the bore changes the response, and one at the blow hole affects the embouchure. Professional flutes from specialist Chennai makers are tuned to a precise pitch and tested across the range. Ask us for a quote, or for a venu made to order.

After you buy

Delivered worldwide
We pack every instrument for international shipping; ask us about cases and insurance.
Service and repair
We service and repair any venu, wherever you bought it, worldwide: ask us.
Strings, parts and cases
Ask us for strings, spare parts and cases, and about a size for a younger learner.
Help with your instrument
Ask us through the chat on any page, or by email, for help with your instrument. [email protected]
Gifts, schools and travel
Ask us about gift vouchers, class sets for schools, and flight cases and travel help.
Read the venu care guide
  • Blow warm air through before playing. Afterwards, dry the bore and leave the venu uncapped 10–15 minutes, or stand it upright, before casing; never put a wet flute away, as it breeds mould and softens the bamboo.
  • Every few months oil the dry bore with sesame, almond, mustard or walnut oil on a swab, up to the blow hole. A thin film is enough to seal the grain against humidity swings.
  • Below 35% relative humidity bamboo cracks; above 70% it swells. Keep it from vents and sun in a padded cotton bag, with a sachet in dry places, and warm a cold flute before playing.
  • Rebind loose end bindings at once. Fine surface cracks are common and often harmless; a crack through to the bore changes the response, and one at the blow hole affects the embouchure and needs our repair. Bind a hairline crack with thread and beeswax, or glue and bind it.
  • Clean the edges of each hole with a dry cloth or soft brush, and never file or enlarge a hole.

KalaSudha 아카데미

Learn the venu with us

All courses

You can learn the Carnatic flute, the venu, with KalaSudha online and in workshops, and beginners start at Foundation level. Foundation builds the lip angle and breath support for a clear, centred tone. We teach children as well as adults; ask us about a starting age and about a flute size for a younger learner.

If you are returning after a long break, start again where you left off. Our courses run in levels, so your teacher first hears where you stand.

Your route, stage by stage

  1. Embouchure and breath fundamentals

    Beginners start here, at Foundation, the first level of KalaSudha's courses. Develop the lip angle and aperture for a clear, centred tone across the blow hole, with breath support from the diaphragm. Build steady tone and tuning in the lower and middle registers before you move on to gamaka or overblown upper notes.

  2. Finger technique and scale patterns

    Learn to seal the holes fully with the finger pads, starting from Sa with the top two holes closed, and build smooth, quick transitions for Carnatic scale passages. Study the 72 melakarta scales as finger patterns before you add gamaka.

  3. Gamaka production

    Develop the core gamaka of Carnatic music, the ornamented pitch movement at its heart: kampita (oscillation through partial hole cover), jaru (slide by breath and lip), nokku (stress) and odukkal (press). Each joins breath, lip and finger in a way no keyboard or fretted instrument needs; work phrase by phrase with your teacher.

  4. Raga alapana and upper register

    Explore a raga through alapana, free-time improvisation, with gamaka phrases in the lower and middle octaves, then extend upwards with breath pressure, a refined lip angle, overblowing and cross-fingering. The upper register is essential for full raga elaboration. Aim for the pitch purity, shruti shuddhata, that Mali stressed.

  5. Kritis, kalpana swaras and pallavi

    Study kritis and varnams in their tala cycles, then manodharma: kalpana swaras, neraval and pallavi. Listen to Mali and N. Ramani shaping ragas, and try ensembles such as Ramani's trio with veena and violin, and jugalbandis with Hindustani musicians.

The instrument

About the venu

What makes a venu

What is the venu?

The venu, or Carnatic flute, is the side-blown bamboo flute of Carnatic classical music, and ours, hand-tuned and tested across its range, suits the student and the concert flautist. Cut from a single internode of seasoned bamboo, it has one blow hole near the stopped end, eight finger holes set close together and no keys. A concert venu in the common E-flat pitch measures about 37–40 cm, and makers build every key: a longer, wider flute sounds lower.

How it sounds

Carnatic music rests on gamaka, ornamented movement between pitches. The player covers the holes with the finger pads and shapes gamaka with breath, lip and partial covering of a hole, oscillating or rolling the embouchure for South Indian raga's undulating phrases. Overblowing, cross-fingering, breath pressure and a refined lip angle carry about three octaves across lower, middle and upper registers, warm and full below, brighter above. On the venu, Sa sounds with the top two holes closed; the Hindustani bansuri closes three.

Tradition and choice

Indian art links the flute with Krishna; Vishnu appears as Venugopala. Sarabha Sastri brought the flute into Carnatic concerts and T. R. Mahalingam, Mali, made it a front-rank solo instrument. Choose traditional or modern designs, right- or left-handed layouts, bamboo or PVC, made in Chennai, Bengaluru and Thanjavur. It is a mainstay of Carnatic teaching, played across South India and worldwide. Start on one of our venu study paths.

기록

The Natya Shastra (about 200 BCE to 200 CE) gives the bamboo flute as its hollow, sushira, example, a main melodic voice of drama and devotion. In the South the venu, or pullanguzhal, belongs to Krishna in Vaishnava poetry and temple art from the first millennium CE, which shaped its ritual status. Sangam-era Tamil texts (c. 3rd century BCE–3rd century CE) describe flute playing in secular and ritual settings, among the oldest recorded music of the subcontinent.

The venu long stood behind the veena at court, heard more in devotional and light music. Sarabha Sastri developed a fingering that brought it into Carnatic concerts. T. R. Mahalingam (1926–1986), known as Mali, taught himself, stressed pitch purity, made the venu a solo concert instrument and showed on record that a keyless flute could carry the depth of Carnatic gamaka in manodharma: alapana, neraval, kalpana swaras and pallavi.

His nephew and disciple N. Ramani (1934–2015) recorded widely and taught students now performing worldwide. Chennai makers build it in all twelve keys, E-flat or E most often; its low cost makes it a common way into Carnatic music, and it stands beside the violin and mridangam at the front of the stage.

How a venu is made

The venu is cut from a single internode of bamboo, chosen for even walls, straight grain and no cracks or nodes in the playing length. Bamboos used include Dendrocalamus strictus and Phyllostachys species, harvested mature and seasoned for months against cracking. After cutting to length for its pitch, the maker burns or drills the oval blow hole, about 2–3 cm from the stopped end, and the eight finger holes, finishing each with a hot rod.

Hole size and spacing serve the Carnatic scale, sized so partial covering gives clean microtones; the eighth hole stays open except in special fingerings. The bore may be lightly oiled with sesame or almond oil. There are no keys or pads. Thread or wax binding protects the ends, above all the thinner blow-hole end, and the surface is natural, lightly lacquered or thread-wrapped.

Each flute is hand-tuned by the maker, holes filed or filled until the scale sits true and tested across the full range; tuning varies between flutes, so play every note before you buy. Some modern designs add a lip plate and up to nine holes, and PVC flutes also exist.

At a glance

Tradition
Carnatic classical music; the primary wind instrument of the South Indian tradition, also called the Carnatic flute
Material
Single internode of seasoned bamboo
Holes
1 blow hole + 8 finger holes; no keys or mechanical fittings
Playing technique
Side-blown (transverse); gamaka produced by breath pressure and partial hole coverage
Range
About 2.5 to 3 octaves across lower, middle and upper registers, using overblowing and cross-fingering
Pitch standards
Made in all 12 keys; E-flat and E most common for Carnatic concert performance
Full specifications

Physical dimensions

Total length (E-flat concert)
37–40 cm
Total length (range across keys)
28–55 cm
Bore diameter (internal)
18–22 mm
Wall thickness
3–5 mm
Weight
80–150 g

Construction

Body material
Bamboo
Blow hole shape
Oval; 2–3 cm from stopped end
Finger holes
8, sized and spaced for the Carnatic 22-shruti scale system; the eighth hole's role differs by maker
Keys / pads
None; fully keyless organic construction
Finish
Natural, lightly lacquered, or bound with thread or decorative tape at the ends

Pitch and tuning

Common concert keys
E-flat, E, D, C-sharp (most common for Carnatic performance)
Available keys
All 12 chromatic keys, selected to suit the raga and the vocalist's pitch
Scale system
22 shrutis within the octave; all microtones produced by partial hole coverage
Registers
3 (lower, middle, upper); upper notes by breath pressure, overblowing and cross-fingering
Total range
Approximately 3 octaves

Playing technique

Orientation
Side-blown (transverse); blow hole at the left, open end at the right; left-handed flutes exist
Finger contact
Finger pads (not fingertips) cover the holes; partial cover produces microtones; Sa with the top two holes closed
Breath control
Diaphragm support with variable lip aperture for register shifts and gamaka
Primary gamaka
Kampita (oscillation), jaru (slide), nokku (stress), odukkal (press)
Playing position
Seated cross-legged; flute held across the body, supported by lips and both hands, open end tilted down

Acoustic characteristics

Tonal character
Warm and breathy in lower register; brighter and more focused in upper
Sustain
As long as the player's breath; no natural decay on held notes
Dynamic range
Moderate; controlled by breath pressure and lip aperture
Optimal use
Carnatic alapana, kritis and kalpana swaras; solo, with mridangam and violin, and in Hindustani jugalbandis
Projection
Moderate to good; suited to sabha concert halls and recording

Explore the music

Hear the venu

Hear KalaSudha's recordings and concert videos.

Players

Ask us to book a venu player for a concert, event or recording.

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Questions

Venu: common questions

Buying, learning, care and the instrument itself.

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