Billy Cobham celebrates 40 years of Spectrum (2013)
January 18, 2013 - the Billy Cobham's "Spectrum 40 Tour" with Jerry Goodman stops at the Mauch Chunk Opera House in Jim Thorpe, Pennsylvania<img src='//rvm.pm/wp-content/uploads/2013/05/00-ART_Billy-Cobham-Spectrum_front.jpg'…