Mikhail Glinka's Barcarole in G, from Four Musical Essays (1847).
Synthesized piano. For a much more useful MP3 version (seriously, who uses OGG except Wikipedia?) see <a rel="nofollow" class="external text" href="http://adamcuerden.deviantart.com/art/Glinka-s-Barcarolle-in-G-259236126?q=gallery%3Aadamcuerden%2F20723815&amp;qo=61">my deviantArt site</a>.
<a href="//commons.wikimedia.org/wiki/Creator:Adam_Cuerden" title="Creator:Adam Cuerden">Adam Cuerden</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>