10) Thomas Mars (Phoenix lead singer)
Key tracks:
9) Mike Hranica (The Devil Wears Prada frontman)
Key tracks:
"Assistant to the Regional Manager"
8) Ryan Neff (Miss May I's clean vocals/bassist)
Key tracks:
"Architect"(halfway in)
7) Kyle Pavone (clean vocals/keys for We Came as Romans)
Key tracks:
"Searching, Seeking, Reaching, Always"
6) Austin Carlile (former frontman for Attack Attack! and Of Mice and Men)
Key tracks:
"They Don't Call it the South for Nothing"
5) Stephen Christian (Anberlin singer)
Key tracks:
4) Stephan Jenkins (Third Eye Blind singer/lead guitarist)
Key tracks:
3) Mark Hoppus (blink 182 bassist/lead(ish) singer and +44's bassist/lead singer)
Key tracks:
2) Caleb Followill
Key tracks:
1) Tom Delonge
Key tracks:
Hope you enjoy!
:D