Originally Posted by vs.suresh
Some people ears are gifted (like your friend), I am not. I play 90% of the time instantly, my fingers find the frets automatically, I guess that because of over the years of experience. But I was having a hard time identifying the notes for some raga based songs, then I had to refer the raaga scales. Of course, all the songs are belongs to some ragas automatically, like major scale is Sankarabaranam. We don't need to know all raaga scales, but its good to have it as reference. BTW, I am not fan of Carnatic music.