spectrum

Разбросанным в постах полезным линкам
Настанет свой черед

Итак, начали:
Розенталь. Справочник по правописанию, произношению, литературной правке.
http://www.evartist.narod.ru/text1/20.htm

Music Dictionary Online
http://www.dolmetsch.com/musictheorydefs.htm

The Lied and Art Song Texts Page is an archive of texts used in Lieder and other classical art songs (Kunstlieder, mélodies, canzoni, романсы, canciones, liederen, canções, sånger, laulua, písně, piosenki, etc.) as well as in many choral works and other types of classical vocal pieces. The collection currently indexes 49,620 vocal settings of 31,114 texts and includes 6,692 translations to English, French, Italian, Dutch, German, Spanish, Portuguese, and other languages.
http://www.recmusic.org/lieder/

http://www.recmusic.org/midi/
midi song files