As of 2010, X is the last original album from the group.

Tracks 4 and 10 are not part of original album.

The song was released as the final single from the original album.

These tracks were in a different order on the original two albums.

All of the songs are taken directly from the original album.

All 18 of their original albums are back in print, for the first time since the 60's.

Recordings from four different shows were used for the original album.

The new tracks are very much in the style of the original album.

Tracks 6 & 8 do not appear on the original album.

Tracks 7, 8, 9 are not part of original album.