DEUTSCH:

Choralbuch (Archiv) http://www.kantoreiarchiv.de/startox.html

Lieder Archiv: http://www.lieder-archiv.de/

ENGLISH:

ChoralWiki: Choral Public Domain Library:

CIPOO.NET: Public Domain Choral Music

Classical Music Archives: http://www.classicalarchives.com/index.html?navID=0

Classical Piano Resources: http://www.allpianoscores.com/

Chritmas Carol Music: http://christmascarolmusic.org

Free Music Archives (FMA):http://freemusicarchive.org

Free-Scores.com: http://www.free-scores.com/index_uk.php3

Lyrics On Demand: http://www.lyricsondemand.com/f/floridageorgialinelyrics/holylyrics.html

Musiclion: http://www.musicalion.com/

Reliquary of Sacred Music: http://www.scoreexchange.com/scores/63056.html

RESOURCES FOR COMPOSERS:

DSK Music: http://www.dskmusic.com/

Google Play: https://play.google.com/artists/

MuseScore Music Sheet Software: https://musescore.org/en

Music2Deal: https://www.music2deal.com/de/home

ReverbNation: https://www.reverbnation.com/

SMP Press: Sheet Music Plus: https://smppress.sheetmusicplus.com/

SongCast Music Distribution: http://www.songcastmusic.com/

United Talent Agency (UTA): https://music.utatouring.com/full-roster/

SONGWRITERS:

Nashville Songwriters Association: https://www.nashvillesongwriters.com/

RhymeZone- Rhyming Dictionary: http://rhymezone.com/

SongTown: https://songtown.com/

ARTICLES:

How to Sell Your Music Online: http://www.pcadvisor.co.uk/how-to/internet/how-sell-music-online-3453593/

Using PHP To Prevent Illegal Downloading: https://codewalkers.com/c/a/Miscellaneous/Using-PHP-to-Stream-MP3-Files-and-Prevent-Illegal-Downloading/2/

PRS for Music: Copyright FAQ

ESPAÑOL:

Hacemos Música: http://www.hacemosmusica.com/