Somewhere in Antibes, AGRESSOR were recording a rehearsal on this day in 1987.
Brutal thrash / early death metal, this recording is known as Rehearsal of Death.
Several of these songs made their way to the killer debut album, Neverending Destiny, released by Noise Records in 1990. After that they signed to Black Mark Production.
Above you can hear the rehearsal, beginning with "Brainstorm", below you can hear this song on the Neverending Destiny LP: