This double bass method offers exciting and comprehensive studies from the very beginning up to the most advanced levels of double bass playing. It covers 3 to 5 positions, and includes piano accompaniment, helpful photos, and features an enchanced play-along CD with backing tracks and printable scores as a PDF. Gerd Reinke's four volumes offer bass students a concise and thoroughly comprehensive method...[he] guides students through every step in a logical, progressive way up to the most advanced levels. There is enough diversity in a range of études and adaptations of well-known tunes to keep the young bassist fully occupied and entertained...Enhanced play-along CDs with backing tracks and printable PDF piano scores are a great aid to study.--Strings magazine