WooCommerce can be used to sell all kinds of physical and digital products, including songs and audio files. Letting your customers sample your premium audio files is a great way to increase your sales. Koplo for WooCommerce can help. It lets you easily upload sample files for you store.
This plugin lets you easily display the sample player in 5 different positions. You can change cover, link, title, artist, and other settings in the back-end. The Koplo WooCommerce Product Audio Sampler has single title and playlist modes. jogjascript is the developer behind this plugin.