Windows consists of two parts. Continuo on B.A.C.H is a realisation of an unfinished fugue by J. S. Bach, which he based on a scale using the notes represented by his own name (B.A.C.H.). Lord and his creative partner Eberhard Schoener, who also directed the orchestra on this recording, interpreted and finished the fugue. Window is based on the idea of a form of chain poetry called Renga, developed during the 14th century in Far-East, where a group of poets co-writing would lock themselves away, writing each verse in turn and continue until the finished product emerged. The band for this special occasion was star-studded with musicians like Jon Lords former bandmates David Coverdale and Glenn Hughes as well as Tony Ashton, Ray Fenwick and Pete York. The album was re-mastered from the original stereo mixes at Abbey Road studios.