Made with SooperLooper 1.7.3 and Qtractor 0.9.1 on Ubuntu Budgie 18.04 with KXStudio repos.
All made from whistling and finger snapping recorded with Clevo laptop internal mic.
Picture CC BY 4.0, based on photo By Giridhar Appaji Nag Y (Flickr) [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons -> https://commons.wikimedia.org/wiki/File:20061007_Two_women_taking_a_siesta_in_Kolkata,_India.jpg