Original: He has written eight numbered symphonies since -- a symphonic cycle of the Symphonies Nos. 1 -- 7 ( 1976 -- 2000 ) , a Symphony No. 8 titled the ` Antarctic ' ( 2000 ) , a Sinfonia Concertante ( 1982 ) , as well as the series of ten Strathclyde Concertos for various instruments ( pieces born out of his association with the Scottish Chamber Orchestra , 1987 -- 1996 ) .
Simplified: He has written eight numbered symphonies since , a Sinfonia Concertante ( 1982 ) , as well as the series of ten Strathclyde Concertos for various instruments ( pieces he wrote when he worked with the Scottish Chamber Orchestra ) .