def write_Track(file, track, bpm=120, repeat=0, verbose=False):
    """Write a mingus.Track to a MIDI file.

    Write the name to the file and set the instrument if the instrument has
    the attribute instrument_nr, which represents the MIDI instrument
    number. The class MidiInstrument in mingus.containers.Instrument has
    this attribute by default.
    """
    m = MidiFile()
    t = MidiTrack(bpm)
    m.tracks = [t]
    while repeat >= 0:
        t.play_Track(track)
        repeat -= 1
    return m.write_file(file, verbose)