A→Z. (アズ) forms.
A→Z. disbands
A→Z. was a visual kei band. They were active from 2013 to 2014 and are now disbanded.
I have a vague recollection that this band's name is read as "upper?" Am I thinking of a different group?
You're thinking of 6→7.
Oohh! My→bad.
The band broke up on March 27, 2014