void set_loop_range (framepos_t start, framepos_t end, std::string cmd);
void set_punch_range (framepos_t start, framepos_t end, std::string cmd);
void set_loop_range (framepos_t start, framepos_t end, std::string cmd);
void set_punch_range (framepos_t start, framepos_t end, std::string cmd);