 Dylan 's next release , Nashville <unk> ( 1969 ) , was mainstream country featuring Nashville musicians , a mellow @-@ voiced Dylan , a duet with Johnny Cash , and the hit single " Lay Lady Lay " . Variety wrote , " Dylan is definitely doing something that can be called singing . Somehow he has managed to add an octave to his range . " Dylan and Cash also recorded a series of duets , but only their recording of Dylan 's " Girl from the North Country " was used on the album . 
