The Portsmouth Sinfonia is a orchestra known for their distinctive approach to 1970s music. Notable releases in The Portsmouth Sinfonia's catalog include Hallelujah: The Portsmouth Sinfonia at the Royal Albert Hall, Plays the Popular Classics, 20 Classic Rock Classics. These projects have helped establish their reputation and showcase the depth of their musical abilities. With a dedicated following and a growing body of work, The Portsmouth Sinfonia remains an influential figure in their musical sphere.