En direct, Vidéo: Rechercher des critiques de musique classique, opéra et ballet | Christopher Austin

The choreography, music and performance made this an impressive event, but Iommi’s cameo was an emphatic cherry on the top that sent the crowd home with an enthusiastic spring in their step.

Birmingham Royal Ballet and Black Sabbath are two of Birmingham’s greatest cultural exports and now they are on a European tour together before heading to the US next year.

A remarkable merging of two of Birmingham's greatest cultural institutions.

During the first half of this London Sinfonietta concert, I scribbled the phrase 'Lightly anarchic streak' in my notes, referring to the formal daring and the conspicuous rock music influence evident in various pieces.

On Tuesday night at Cadogan Hall near Sloane Square the audience was treated to an expertly mastered programme of 20th century Polish music by Górecki, Lutoslawski and Szymanovski as well as the Overture, St. Francis of Assisi by Sir Peter Maxwell Davies. The latter had its London premiere that night.