Well i find and set this:
//***************************************************************************
//*
//* Map Configuration
//*
//***************************************************************************
function config takes nothing returns nothing
call SetMapName("TRIGSTR_003")
call SetMapDescription("TRIGSTR_005")
call SetPlayers(12)
call SetTeams(12)
call SetGamePlacement(MAP_PLACEMENT_TEAMS_TOGETHER)
call DefineStartLocation(0, - 14464.0, 5184.0)
call DefineStartLocation(1, - 3648.0, 16512.0)
call DefineStartLocation(2, - 3968.0, 14016.0)
call DefineStartLocation(3, - 8768.0, 5056.0)
call DefineStartLocation(4, - 14400.0, 13952.0)
call DefineStartLocation(5, - 832.0, 4352.0)
call DefineStartLocation(6, - 8768.0, 2816.0)
call DefineStartLocation(7, 0.0, 9728.0)
call DefineStartLocation(8, - 768.0, 3200.0)
call DefineStartLocation(9, - 2752.0, 16128.0)
call DefineStartLocation(10, - 6592.0, 2240.0)
call DefineStartLocation(11, - 10688.0, 11968.0)
// Player setup
call InitCustomPlayerSlots()
call InitCustomTeams()
call InitAllyPriorities()
call PlayMusic( "war3mapImported\\Music01.mp3" )
endfunction
But it doesn't work 
war3mapImported\\Music01.mp3 - my music.