Update genres.txt
Update genres.txt

Add classical subgenres
andremiller/beets,artemutin/beets,Kraymer/beets,swt30/beets,drm00/beets,swt30/beets,ruippeixotog/beets,mathstuf/beets,lightwang1/beets,asteven/beets,gabrielaraujof/beets,madmouser1/beets,Dishwishy/beets,ibmibmibm/beets,tima/beets,Freso/beets,shanemikel/beets,multikatt/beets,parapente/beets,kelvinhammond/beets,PierreRust/beets,m-urban/beets,shanemikel/beets,gabrielaraujof/beets,Andypsamp/CODjunit,PierreRust/beets,ruippeixotog/beets,LordSputnik/beets,PierreRust/beets,ttsda/beets,sadatay/beets,mosesfistos1/beetbox,mried/beets,PierreRust/beets,jcoady9/beets,moodboom/beets,dfc/beets,randybias/beets,jackwilsdon/beets,imsparsh/beets,m-urban/beets,drm00/beets,mathstuf/beets,MyTunesFreeMusic/privacy-policy,kareemallen/beets,andremiller/beets,xsteadfastx/beets,diego-plan9/beets,randybias/beets,mosesfistos1/beetbox,jcoady9/beets,sampsyo/beets,multikatt/beets,Dishwishy/beets,shamangeorge/beets,ttsda/beets,kareemallen/beets,tima/beets,mried/beets,arabenjamin/beets,m-urban/beets,mathstuf/beets,ibmibmibm/beets,andremiller/beets,parapente/beets,untitaker/beets,pkess/beets,SusannaMaria/beets,arabenjamin/beets,lightwang1/beets,beetbox/beets,xsteadfastx/beets,xsteadfastx/beets,pkess/beets,Freso/beets,sadatay/beets,parapente/beets,lightwang1/beets,Freso/beets,jackwilsdon/beets,asteven/beets,mried/beets,YetAnotherNerd/beets,parapente/beets,mosesfistos1/beetbox,untitaker/beets,sampsyo/beets,LordSputnik/beets,ttsda/beets,MyTunesFreeMusic/privacy-policy,diego-plan9/beets,madmouser1/beets,shanemikel/beets,Andypsamp/CODfinalJUNIT,untitaker/beets,untitaker/beets,jackwilsdon/beets,asteven/beets,diego-plan9/beets,pkess/beets,Andypsamp/CODjunit,MyTunesFreeMusic/privacy-policy,lightwang1/beets,kareemallen/beets,swt30/beets,tima/beets,jackwilsdon/beets,ibmibmibm/beets,imsparsh/beets,Kraymer/beets,madmouser1/beets,Andypsamp/CODjunit,shamangeorge/beets,Andypsamp/CODfinalJUNIT,madmouser1/beets,ruippeixotog/beets,multikatt/beets,randybias/beets,Andypsamp/CODjunit,jmwatte/beets,ruippeixotog/beets,beetbox/beets,arabenjamin/beets,dfc/beets,moodboom/beets,kelvinhammond/beets,kelvinhammond/beets,sampsyo/beets,dfc/beets,sampsyo/beets,jmwatte/beets,beetbox/beets,YetAnotherNerd/beets,gabrielaraujof/beets,moodboom/beets,gabrielaraujof/beets,Dishwishy/beets,lengtche/beets,jmwatte/beets,YetAnotherNerd/beets,MyTunesFreeMusic/privacy-policy,pkess/beets,swt30/beets,artemutin/beets,Andypsamp/CODfinalJUNIT,m-urban/beets,marcuskrahl/beets,artemutin/beets,marcuskrahl/beets,Andypsamp/CODfinalJUNIT,ttsda/beets,jcoady9/beets,asteven/beets,multikatt/beets,SusannaMaria/beets,lengtche/beets,artemutin/beets,xsteadfastx/beets,ibmibmibm/beets,kareemallen/beets,shamangeorge/beets,Kraymer/beets,Kraymer/beets,SusannaMaria/beets,lengtche/beets,mathstuf/beets,mosesfistos1/beetbox,sadatay/beets,drm00/beets,marcuskrahl/beets,kelvinhammond/beets,shamangeorge/beets,jmwatte/beets,imsparsh/beets,drm00/beets,marcuskrahl/beets,moodboom/beets,lengtche/beets,Dishwishy/beets,diego-plan9/beets,LordSputnik/beets,Andypsamp/CODfinalJUNIT,tima/beets,LordSputnik/beets,arabenjamin/beets,sadatay/beets,Freso/beets,YetAnotherNerd/beets,Andypsamp/CODjunit,SusannaMaria/beets,mried/beets,randybias/beets,jcoady9/beets,dfc/beets,shanemikel/beets,imsparsh/beets,beetbox/beets