While both worked closely with Dr. Dre at different times, they were not part of the official 1995/1996 release of this specific track. Cultural Impact of the Remix

Produced by Dr. Dre (though sometimes credited to Laylaw) and included on the 1996 album All Eyez on Me . It featured additional verses but still primarily showcased 2Pac and Dre. Why the "Megamix" is Fan-Made

The original "California Love" was released in 1995 as 2Pac’s debut single for after his release from prison. It was famously produced by Dr. Dre and featured talk-box vocals from Roger Troutman . Original Version: Featured 2Pac and Dr. Dre.

Eazy-E passed away in March 1995, months before "California Love" was even recorded. Any version featuring his vocals uses recycled verses from other songs.

The inclusion of and Ice Cube alongside 2Pac and Snoop Dogg on this specific remix is a product of internet "what-if" culture.

2Pac ft. Dr. Dre - California Love (Official Video) [Full Length Version]