. . . "Changing the system : for 8 or more players, any instruments, of which at least some are melody and some have a low range" . . . . . . . . "Changing the system : instrumentation: 8 or more players, any instruments, of which at least some are melody and some have a low range" . . . "Changing the system" . . . "Changing the system"@en . . . . . . . "Changing the system Instrumentation: 8 or more players, any instruments, of which at least some are melody and some have a low range"@en . . . . . .