/usr/include/tse3/listen/ is in libtse3-dev 0.3.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/tse3/listen/DisplayParams.h
/usr/include/tse3/listen/EventTrack.h
/usr/include/tse3/listen/FlagTrack.h
/usr/include/tse3/listen/KeySigTrack.h
/usr/include/tse3/listen/Metronome.h
/usr/include/tse3/listen/MidiCommandFilter.h
/usr/include/tse3/listen/MidiData.h
/usr/include/tse3/listen/MidiEcho.h
/usr/include/tse3/listen/MidiFile.h
/usr/include/tse3/listen/MidiFilter.h
/usr/include/tse3/listen/MidiMapper.h
/usr/include/tse3/listen/MidiParams.h
/usr/include/tse3/listen/MidiScheduler.h
/usr/include/tse3/listen/Mixer.h
/usr/include/tse3/listen/Panic.h
/usr/include/tse3/listen/Part.h
/usr/include/tse3/listen/Phrase.h
/usr/include/tse3/listen/PhraseEdit.h
/usr/include/tse3/listen/PhraseList.h
/usr/include/tse3/listen/Playable.h
/usr/include/tse3/listen/RepeatTrack.h
/usr/include/tse3/listen/Song.h
/usr/include/tse3/listen/TempoTrack.h
/usr/include/tse3/listen/TimeSigTrack.h
/usr/include/tse3/listen/Track.h
/usr/include/tse3/listen/Transport.h
/usr/include/tse3/listen/app/
/usr/include/tse3/listen/app/Modified.h
/usr/include/tse3/listen/app/PartSelection.h
/usr/include/tse3/listen/app/Record.h
/usr/include/tse3/listen/app/TrackSelection.h
/usr/include/tse3/listen/cmd/
/usr/include/tse3/listen/cmd/CommandHistory.h
/usr/include/tse3/listen/ins/
/usr/include/tse3/listen/ins/Destination.h