I made a small composition by just layering my voice and trying to stay in tune. Hope this is good enough. Although if it's not, you can edit it and stuff. All of this is just my voice.
Music.wav
聲道：2
類型：wav
Musical、Voice、Audacity、Creative、Tone、Microphone
音樂、語音、大膽、創作的、音、麥克風
資料來源：freesound ( https://freesound.org )