During their existence, Festival Mushroom had also distributed for several independent Australian labels and international licensors, many of which will be noted.
[1] Many of these artists are now either signed to or distributed by Warner Music Australia.
An asterisk (*) denotes an artist who was signed or licensed to Festival Records prior to the merger of Festival and Mushroom.
A caret (+) denotes an artist who was signed or licensed to Mushroom Records prior to the merger.
A slash (/) denotes an artist who was signed to both labels at one point prior to the merger.