The Bass Transcriptions Book contains, in standard notation + Tabs, all the bass parts that are contained in a recording, including solos.
Music Scores Books primarily reports the essential instrumental parts of Bass, Guitar and Piano with the chord charts.
The Bass Booklets contain the bass lines and chord charts of all the tracks that compose the album, in bass clef and standard notation.
The Bassless Mastertracks are the original audio tracks from the albums, mixed without the bass parts.
The Ultimate Play-Alongs are a product bundle consisting of the Bass Booklets and the Bassless Mastertracks at a very affordable price.