That is a processed electric guitar. processing alters the sound of the guitar, and there are many popular processing techniques. IR uses "Wah", "Phaser" and "Flanger" a lot in his songs. The three are a bit similar to each other, and alter the tone and give a waxing/waning sort of sound to the guitar. This song u mentioned seems to use wah effect. Ilaya nila also uses phaser throughout the song. The ending gutiar in "chamber welcomes thiagaraaja" is also using flanger/phaser.Quote:
Originally Posted by Shankar