AES
Professional society devoted exclusively to audio technology

ASCAP
Performing Rights Organization

BMI
Performing Rights Organization

Choral Public Domain Library
A source for choral public domain music.

Displays 2 Go
CD displays, compact disc holders and racks

Easy Song Licensing
Excellent source to acquire hard-to-get mechanical licenses

Grammy
Home of the Grammy Awards

Harry Fox
The go-to source for mechanical licensing

ISRC
Everything you wanted to know about ISRC codes but were afraid to ask.

Music Services
Mechanical licensing, primarily Christian Music.

Pelonis Sound and Acoustics
Chris designed the studio.

Public Domain Song List
Not all of them, but a good start. Includes a special Christmas Song section.

SESAC
Performing Rights Organization

Soundscan
Add your title to the database

US Copyright Office – The Library of Congress
Copyright forms and more

Cosynd
Help to get your content copyrighted