We Are The Fallen - Marty O'Brien playing bass on a demo of a new song. - Sept 9

Marty O'Brien Bass-Cam - Daughtry - Over You - Melbourne, FL - King Center for the Performing Arts

Marty O'Brien of Daughtry Shows His Spector Mirror Bass

RARE Disturbed 2001 Supporting Marilyn Manson Marty O'Brien

Daughtry: Rig Rundown with Marty O'Brien

EMGtv Presents "5 Minutes With Marty O'Brien"

MARTY O'BRIEN BIRTHDAY ULTIMATE JAM NIGHT 46 LUCKY STRIKE LIVE 12/9/2015