Best-Acronym-For-A-Song candidate (HMS). This song has parts that cannot be played in real life without many instruments. This song is a loop.

<p><a href="https://www.notessimo.net/page/browse/songs.html/_/easy-listening/other0/the-hundred-measure-symphony-r72964" class="onebox" target="_blank" rel="noopener">https://www.notessimo.net/page/browse/songs.html/_/easy-listening/other0/the-hundred-measure-symphony-r72964</a></p>\n<p>Best-Acronym-For-A-Song candidate (HMS). This song has parts that cannot be played in real life without many instruments. This song is a loop.</p>

The Hundred Measure Symphony