 The second side of Bringing It All Back Home contained four long songs on which Dylan accompanied himself on acoustic guitar and harmonica . " Mr. <unk> Man " became one of his best known songs when The Byrds recorded an electric version that reached number one in the US and UK . " It 's All Over Now , Baby Blue " and " It 's <unk> Ma ( I 'm Only Bleeding ) " were two of Dylan 's most important compositions . 
