High quality accompaniments - play along to the piano
Perhaps Bach's most famous single work, the Air on the G string is actually an arrangement made from the second movement of Bach's Orchestral Suite No.3. Aside from being used in everything from adverts to films, the work is often played at weddings and other ceremonies.
Here you can purchase and download the piano part to play along to, recorded by a professional accompanist. This version is in D major (2 sharps).
2 crotchet click-beats at beginning to set pulse