▁magazine ▁described ▁the ▁Beach ▁Boys ▁as ▁having ▁been ▁" am ong ▁the ▁v angu ard " ▁with ▁regard ▁to ▁art ▁rock , ▁among ▁many ▁other ▁aspects ▁rel ating ▁to ▁the ▁counter c ulture , ▁over ▁the ▁period ▁up ▁to ▁late ▁ 1 9 6 7 . ▁ ▁Jac qu eline ▁Ed mond son ' s ▁ 2 0 1 3 ▁en cyc lopedia ▁Music ▁in ▁American ▁Life ▁states ▁that , ▁although ▁it ▁was ▁preced ed ▁by ▁earlier ▁examples , ▁Frank ▁Z appa ▁and ▁the ▁M oth ers ▁of ▁In vention ' s ▁debut ▁album ▁Fre ak ▁Out ! ▁( J une ▁ 1 9 6 6 ) ▁came ▁to ▁be ▁seen ▁as ▁" the ▁first ▁successful ▁incorpor ation ▁of ▁art ▁music ▁in ▁a ▁pop ▁context ". ▁With ▁Los ▁Angeles ▁as ▁his ▁base ▁since ▁the ▁early ▁ 1 9 6 0 s , ▁Z appa ▁was ▁able ▁to ▁work ▁in ▁an ▁environment ▁where ▁student ▁radical ism ▁was ▁closely ▁aligned ▁with ▁an ▁active ▁avant - gar de ▁scene , ▁a ▁setting ▁that ▁placed ▁the ▁city ▁ahead ▁of ▁other ▁counter c ult ural ▁cent res ▁at ▁the ▁time ▁and ▁would ▁continue ▁to ▁inform ▁his ▁music . ▁W riter ▁and ▁pian ist ▁Michael ▁Campbell ▁comments ▁that ▁the ▁album ▁" contains ▁a ▁long ▁non c ategor ical ▁list ▁of ▁Z appa ' s ▁influ ences , ▁from ▁classical ▁avant - gar de ▁compos ers ▁to ▁obsc ure ▁folk ▁mus icians ". ▁ ▁The ▁Beat les ' ▁Revol ver ▁( August ▁ 1 9 6 6 ) ▁further ed