Callum it a pleasure to work with. He helped my songs along and I appreciated it. John

Callum just did a song for me and I am impressed..

Nice guy, full attention while working, great communication

Great working with Callum again! Thanks!

I really enjoyed working with Callum. Great guy and a cool vocal. Thanks!

Great Artist again , keeping me busy

Great Artist he keeps me busy lol

Great Artist communication great as well . look forward to working with you again