This is a Sheffield Lab limited edition LP featuring Erich Leinsdorf conducting the Los Angeles Philharmonic in performances of Richard Wagner's "Ride of the Valkyries" and "Tristan & Isolde, Prelude to Act 1," as well as works by Pyotr Ilyich Tchaikovsky. The record is an in studio live symphonic ballet recording in stereo, released in 1978 on 12" vinyl with a cardboard sleeve and includes a booklet.

This recording earned a Grammy Nomination for Engineering Excellence