Comparison of high definition optical disc formats Blu-ray disc players since the end of the format war. Blu-ray Disc has a higher maximum disc capacity than HD DVD (50 GB vs. 30 GB for a double layered disc). In September 2007 the DVD Forum approved a preliminary specification for the triple-layer 51GB HD DVD (ROM only) disc though Toshiba never stated whether it was compatible with existing HD DVD players. In September 2006 TDK announced a prototype Blu-ray Disc with a capacity of 200GB. TDK was also the first to develop a Blu-ray prototype with a capacity of 100GB in May 2005. In October 2007 Hitachi developed
Close (to the Edit) song "Beer Barrel Polka", as performed by The Andrews Sisters. The short spoken-word vocal and the "Hey!" sample - used in a number of songs most notably in "Firestarter" by The Prodigy and "Back in the Day" by Christina Aguilera (uncredited) - was the voice of Camilla Pilkington-Smyth. The single was released in the UK on what had become ZTT's customary array of formats: standard and picture disc 7" versios, five 12" singles (one a picture disc) and a cassette single, each featuring a number of unique mixes. The many remixes were given their own titles derived from the overall