B
The Blue Book (The Voice of Prayer and Praise) Scanned images of Jewish liturgical music first published in 1899, this is taken from a 1958 edition published by the United Synagogue of Great Britain. Copyright permission to mount the volume on the Internet was granted.
http://www.shulmusic.org/bluebook/index.htmH
Hot Shabbat
Website of music by members of the Hava Nashira community. Lists the members and selections of their music, websites and sheet music in pdf files. A 'hot new site' with 'hot new music' for contemporary Jews thanks to Robin Selinger, music teacher, Temple Shalom, Chevy Chase, MD.
http://www.hotshabbat.com/Y-Z
Yehuda
Yeshivish sensation Yehuda! has several albums of music, and publishes his sheet music on the internet. He uses pdf files to publish score. Many of the song lyrics are provided on the album pages.
http://www.yehuda.org/sheetmusic.html