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 Layer Jump Recording Layer Jump Recording (LJR) is a writing method used for DVD-R DL (Dual Layer). It permits recording the disc per increments called session (see Optical disc authoring), a.k.a. multi-session. It also permits a faster closing of the disc by saving extraneous padding when the amount of recorded data does not fill-up the disc. It overcomes these limitations of Sequential Recording (SR), the writing method usually applied to write-once optical media. The layer jump is a switch (jump) between the layer closer to the laser head (referred as L0) to the farther layer (referred as L1), or vice