The term "megamix" can refer to several different things. In common parlance it is used to describe a large mixture of something, for example one may have a megamix of sweets- a large bag of mixed sweets, or one can have a megamix of songs- a cd containing lots of songs. In music it can refer to a re-mixed album or song which is longer than the original and is mixed (or put together) in a different way from the original. It can specifically refer to a version of the Vorbis audio encoder - a method of digitally encoding music files. It may also refer to songs by, among others, Gloria Estefan, Britney Spears, and the Venga Boys.
The MegaMix was created in 2000.
The Grease Megamix was created in 1978.
Immortal Megamix was created in 1978.
Fighters Megamix happened in 1996.
Jessico Megamix was created in 2002.
U Like This - Megamix - was created in 2003.
Dancing Stage MegaMix happened in 2003.
Fighters Megamix was created on 1996-12-21.
Holonic-The Self Megamix was created on 1998-02-02.
Dancing Stage MegaMix was created on 2003-05-30.
The Big Blue Megamix was created on 2010-01-19.
Megamix - Boney M. song - was created in 1988-10.