11.   Delker would not say if the guitar was a hollow acoustic instrument or a heavier electric guitar.

12.   He used only acoustic instruments, but the album sounds as full and brash as an electric album since he used creative arrangements and horn sections.

13.   Just working with acoustic instruments in a setting like this is also where I come from and where I think the roots of jazz lie.

14.   The decision to use more acoustic instruments like the guitar and violin gives the album a richer and more dramatic sound.

15.   The unplugged concept involves performers singing mellower versions of their songs, accompanied mainly by acoustic instruments.