eBGDAE1Intro=13811121442112032121401235Section 211116111271111811129111110111211111112111213111114111215111116111217111118111219111120111221Section 3181818171632216171818181623191816241515161819172518181817163261618191919182716191728171916191715291615163017191619171531161516328xChange tuning (R)