▁or ▁because ▁of ▁their ▁" in ability ▁or ▁unw illing ness ▁to ▁co oper ate ▁with ▁or ▁trust ▁anyone ▁but ▁themselves ." ▁ ▁Out s ider ▁music ▁does ▁not ▁generally ▁include ▁avant - gar de ▁music , ▁ex otic ▁non - West ern ▁music , ▁songs ▁recorded ▁sole ly ▁for ▁their ▁novel ty ▁value , ▁or ▁anything ▁self - cons ci ously ▁camp ▁or ▁k itsch . ▁Works ▁are ▁usually ▁s our ced ▁from ▁home ▁record ings ▁or ▁independent ▁recording ▁stud ios ▁" with ▁no ▁quality ▁control ". ▁In ▁Songs ▁in ▁the ▁Key ▁of ▁Z , ▁Ch us id ▁explicitly ▁avoided ▁discuss ing ▁" un pop ular ", ▁" un com mer cial ", ▁or ▁" under ground " ▁artists , ▁and ▁dis qual ified ▁" just ▁about ▁anyone ▁who ▁could ▁keep ▁an ▁or chestra ▁or ▁band ▁together ." ▁He ▁did ▁include ▁a ▁few ▁acts ▁in ▁the ▁definition ▁that ▁broke ▁through ▁to ▁main stream ▁fame ▁as ▁novel ty ▁acts ; ▁T iny ▁Tim , ▁for ▁example , ▁is ▁included ▁despite ▁a ▁consistent ▁three - de cade ▁career ▁in ▁the ▁music ▁industry ▁that ▁included ▁a ▁major ▁chart ▁hit , ▁and ▁the ▁Leg end ary ▁St ard ust ▁Cow boy ▁had ▁a ▁brief ▁moment ▁of ▁w ides p read ▁fame ▁in ▁the ▁ 1 9 6 0 s ▁with ▁several ▁national ▁television ▁appear arn ces . ▁ ▁Ch us id ▁pos ited ▁that ▁the ▁biggest - s elling ▁artist ▁fitting ▁of ▁the ▁" outs ider " ▁label ▁could ▁be ▁Brian ▁Wilson ▁of ▁the ▁Beach ▁Boys