One O'Clock Jump Decca in 1937, for Columbia in 1942 and 1950 and on a number of occasions in the fifties. "Two O'Clock Jump" was a performance by Harry James and his big band in 1939, slightly based on "One O'Clock Jump" but using triplets. Several versions of the original by Harry James and Benny Goodman feature the "Two O'Clock Jump" ending. Lionel Hampton used the song as his theme song for a while as well. Basie later released "Jumpin' at the Woodside" in a similar style. A popular jazz standard for virtually all top swing bands and their fans and jitterbuggers, it
Layer Jump Recording versa. Jumping layers is already necessary for reading multiple layer optical media (so far market released products are limited to two layers despite some research prototypes having up to eight layers), as well as for recording them with Sequential Recording. However the layer jump during the recording occurs only once, at the position called Middle Area, during a Sequential Recording, while it may occur multiple times with Layer Jump Recording. Two different Layer Jump methods are defined: Manual Layer Jump and Regular Layer Jump. The first require the software to specify to the hardware each jump point from layer zero