• TeenStation - Lost of music here, in various categories, also pictures, chat lot of other entertainment stuff. Jazzy site.
• Audio Galaxy - Range of songs and music. 
• All Music - Music only, and lots of it.
• MTV - Cool, Jazzy, happening and most famous. Site also is cool, just like the TV.
• Indiafm.com - lots of free music again, mainly Indian music. Also film star wallpapers and similar stuff.
• Music India online - Mainly Indian music, large and rare collection of Indian songs by various artistes.
• Dhadkan - This site is dedicated to Indian Music. Lots of information about indian music, its origin, classical music, singer their albums and interviews.
• India Times - They have really got a very good collection of music, check it out.
• Hindi Music - As the name suggests, mainly Hindi music site.
• India Melody - Site devoted to Indian melody.
• Music India - Another one, Indian music.
• Music From India - Different name, similar stuff.
• Bollywood Music - Hindi film based music, perhaps the largest part of Indian music.
• Music Curry - Nice spicy name, good site as well.
• Navin's Indian Singers' Page - A site hosted by an Indian, Navin. Lots of information, song lyrics available in ASCII and devnagiri script. A must visit link for Indian music lovers.
• Artiste Links - Links to various music artiste sites, classified artiste wise, both in Indian and International music. This page is hosted on this site itself, earlier I thought I would put the links here, but there are too many, so had to get another page made for It. I'll keep adding to this often.