With the release of their 1984 album
Mystery Walk, the Canadian new-wave band Martha and the Muffins officially switched over to the name of M + M. The band was now a duo of Martha Johnson (guitar, keyboards and vocals), and Mark Gane (guitar, keyboards and vocals) along with a number of studio musicians. It spent four weeks on the US Billboard Album chart, peaking at number 163 (their highest US showing ever). In their native Canada, it went to number 56.
