Acoustic Guitar,Instrumental Solo - Level 4 - Digital Download SKU: A0.532215 Composed by Johann Sebastian Bach. Arranged by Klas Krantz. Baroque,Classical. Individual part. 3 pages. Amadeus Music #3866781. Published by Amadeus Music (A0.532215). Johann Sebastian Bach (1685 – 1750) was a German composer, organist, harpsichordist, violist, and violinist whose ecclesiastical and secular works for choir, orchestra, and solo instruments drew together the strands of the Baroque period and brought it to its ultimate maturity.