void
Staff_performer::stop_translation_timestep ()
{
- SCM proc = scm_eval2 (ly_symbol2scm ("percussion-p"), SCM_EOL);
+ SCM proc = scm_primitive_eval (ly_symbol2scm ("percussion-p"));
SCM drums_p = gh_call1 (proc, ly_symbol2scm (instrument_str_.ch_C()));
audio_staff_p_->channel_i_ = (drums_p == SCM_BOOL_T ? 9 : -1 );
if (name_p_)