* Acapellas4u: This site offers a wide variety of acapellas, including both popular and obscure songs. You can search for songs by title, artist, or genre.
* Acappella Heaven: This site is similar to Acapellas4u, but it also offers a wider variety of songs. You can find acapellas from a variety of genres, including pop, rock, R&B, and country.
* The Karaoke Channel: This site offers a large selection of karaoke tracks, including both instrumental and acapella versions of songs. You can search for songs by title, artist, or genre.
* SingSnap: This site is a social networking site that allows users to create and share their own karaoke videos. You can find a variety of acapellas on SingSnap, including both popular and obscure songs.
* YouTube: YouTube is a great resource for finding acapellas. You can search for "acapella" or "karaoke" versions of songs. You can also find acapellas by searching for the name of the song followed by "instrumental."