Musician Wren (IMAGE) Max-Planck-Gesellschaft Caption The song of the musician wren shows remarkable parallels to human compositions: song frequency over time (1.), transcription of the notes of the song (2.), opening melody of the second movement of Haydn's Symphony #103 (3.), the opening of Bach's fugue XX in A minor (4.). Credit <i>Journal of Interdisciplinary Music Studies</i>, 2013 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.