in 1991, imran hussain and mainul islam decided to pursue higher education in the united states and were making preparations to leave bangladesh. this rendered the prospects of their returning and continuing rock strata a remote possibility. at that time arshad amin threw open the discussion to record some songs so that the band can have a memory to brag about and maybe to have a possible future beckoning. at one time during the discussion, the idea of a mixed double album with warfaze, in dhaka and aces, each contributing 4 songs seemed like a good prospect since at the time metal music still had not attained the critical mass. rock strata posted the idea to the other bands and they immediately came on board. filled with enthusiasm, the "big four" (not to be confused with the megadeth, slayer, anthrax, and metallica big four) approached sargam production company with their ideas for recording and releasing the albums. but at that time sargam was reluctant to release a mixed album of an unknown genre recorded by even more unknown four bands. in an interesting twist of fate, sargam counter–proposed that if each of the four bands can come up with enough material to record four individual albums, they would be interested to work with them.