Memphis May Fire is an American Christian metalcore band formed in Dallas, Texas and currently signed to Rise Records. The band currently consists of. Find a MMF? - The Mysterious Man From? first pressing or reissue. Complete your MMF? collection. Shop Vinyl and CDs. DMF and MMF The review by Engstrom-Heg () in Appendix C indicates that DMF is hydrolysed to dimethylamine (DMA) and formic acid. However since.