This is the 182nd most frequent Tamil word.
இச
The Tamil word "இச" refers to "music" or "melody".
Here, 'இசையாக' ('isaa yaaga') means 'melodiously', conveying the manner in which the music sheets are described.
இசையாக இசை பேடுகள் விளங்குகின்றன.
Music sheets elucidate melodiously.
The word 'இசைக்காரராக' ('isaikkaaraaga') refers to 'as a musician', indicating one's role related to music.
கல்லூரி விழாவில் அவர் இசைக்காரராக உள்ளார்.
In the college function, he acts as the musician.
Here, 'இசை' ('isai') directly means 'music', representing a performance or concert.