Which record label did R.E.M. join before releasing 'Green'?

Which record label did R.E.M. join before releasing “Green”? The answer is Warner Bros. Records.

R.E.M. fulfilled its contract with I.R.S. Records with Document in 1987. The band was frustrated by what it viewed as inadequate overseas distribution and by the lack of priority given to its releases by I.R.S.'s distributor, MCA.

In early 1988, R.E.M.'s management approached several interested labels. Although competing companies reportedly offered more money, the group chose Warner Bros. because the deal promised substantial creative freedom. The move also prompted accusations from some fans that R.E.M. was selling out, a criticism the band resisted.

Green, released on November 8, 1988, was R.E.M.'s first album for Warner Bros. and the second co-produced with Scott Litt. The album continued the band's political concerns while expanding its palette with new instruments and a more varied, ambitious arrangement style.