前奏 两遍 C G DM C DM F C G DM mama take this badge from me C G F i can\’t use it anymore C G DM it\’s getting dark too dark to see C G F feels like i\’m knockin\’ on heaven\’s door C G DM knock-knock-knockin\’ on heaven\’s door C G F knock-knock-knockin\’ on heaven\’s door C G DM knock-knock-knockin\’ on heaven\’s door C G F knock-knock-knockin\’ on heaven\’s door C DM mama put my guns in the ground C G F i can\’t shoot them anymore C G DM that cold black cloud is comin\’ down C G F F feels like i\’m knockin\’ on heaven\’s door C G DM knock-knock-knockin\’ on heaven\’s door C G F knock-knock-knockin\’ on heaven\’s door C G DM knock-knock-knockin\’ on heaven\’s door C G F knock-knock-knockin\’ on heaven\’s