Marshall is both a phenomenal performer and composer. As a performer, he has opened for the following bands: Alvin Lee, The Beach Boys, Blue Oyster Cult, Cheap Trick, Foghat, REO Speedwagon, Mariah Carey and Kansas.
He has enjoyed success both as lead singer and frontman for prominent bands including Old Scratch and Della Street, which had huge followings.
As a composer, he has penned, arranged and recorded hundreds of songs. Today, he continues to enjoy success as a solo performer and songwriter.