Hi, I had the same bug, so I try to follow the instructions given in https://github.com/alsa-project/alsa-python/commit/a64a6cc703d08db5c223a16bf812a569534ba464
I could "hear" some improvements (some sound), but now I am face to '''Traceback (most recent call last): File "/usr/share/solfege/solfege/exercises/idbyname.py", line 296, in new_question self.do_at_question_start_show_play() File "/usr/share/solfege/solfege/abstract.py", line 1077, in do_at_question_start_show_play self.m_t.m_P.play_question() File "/usr/share/solfege/solfege/lessonfile.py", line 1413, in play_question question[varname].play(self, question) File "/usr/share/solfege/solfege/lessonfile.py", line 573, in play self.__play(lessonfile_ref, question, File "/usr/share/solfege/solfege/lessonfile.py", line 601, in __play soundcard.synth.play_track(t1, t2, t3) File "/usr/share/solfege/solfege/soundcard/alsa_sequencer.py", line 51, in play_track self.play_midieventstream(MidiEventStream(*tracks)) File "/usr/share/solfege/solfege/soundcard/alsa_sequencer.py", line 94, in play_midieventstream event.time = tTypeError: integer or float expected... Thanks