Zap is a free and open source audio player for Linux. It is a simple music player. Here you can add your music files and create a simple playlist. And you can set fade out and volume for each music file separately and also loop the audio file. According to the author you can use this app as a soundboard and makes your live streams and video casts more entertaining.
How to Install Zap Audio Player on Ubuntu Linux
You can install Zap player via flatpak package from flathub remote. First you need to install flatpak and flathub on your system and restart it after the installation.
Now open your command-line terminal software using the ctrl+alt+k keys or via the application menu and run below ZAP music player flatpak installation command. to install the latest version of it.
flatpak install flathub fr.romainvigier.zap
Start zap music player using
flatpak run fr.romainvigier.zap
And uninstall Zap using below command.
sudo flatpak uninstall fr.romainvigier.zap