def playSection(sound, start, end):
    sound_length = sound.getLength()
    
    sample_rate = getSamplingRate(sound)
    
    start_sample = int(start * sample_rate)
    
    section_seconds = int(end - start) + 1
    section_samples = int((end - start) * sample_rate)
    
    print "section starts at %s" % start_sample
    print "sample length in samples is %s" % section_samples
    print "sample length in seconds is %s" % section_seconds
    
    section = makeEmptySound(section_seconds)
    
    for sample_i in range(section_samples):
        source_frame = sample_i + start_sample + 1
        sample = getSampleValueAt(sound, source_frame)
        setSampleValueAt(section, sample_i + 1, sample)
    
    play(section)
    return section