Berger cranked two- and three-run blasts to tie a season high with five RBIs. He also homered twice against Oklahoma on April 8. Gall added a pair of two-run bombs in his first multi-homer game of the year and also singled.
Bo Hart contributed a run-scoring triple and Reggie Taylor had an RBI single for the Redbirds, whose seven-run fifth helped hand Nashville just its second loss in 10 games.
Jeremy Cummings (4-0) got the win after tossing 1 1/3 scoreless innings. In his return to the St. Louis Cardinals organization, starter Chris Narveson struck out seven in 4 2/3 innings, allowing two runs on four hits and four walks. The 23-year-old left-hander was traded for Larry Walker last August, but returned to the Cardinals on waivers earlier this week.
Steve Scarborough and Corey D. Hart each went 2-for-3 with solo homers to account for the Sounds' offense.
Jeff Housman (5-11) was tagged for a season-high 11 runs on eight hits over five innings. The 24-year-old left-hander walked three and struck out one, losing for the fourth time in five starts.
This story was not subject to the approval of the National Association of Professional Baseball Leagues or its clubs.