Techniques for providing a graphical user interface for an audio channel include receiving data that indicates multiple audio contents for audio presentation at a first node. A graphical user interface is formed, which displays a time sequence of the plurality of audio contents for presentation, and which associates with each audio content one or more selectable operations on the audio content. Presentation of the graphical user interface is caused at a second node. In response to causing presentation of the graphical user interface, data is received that indicates an associated operation on audio content based on input from the second node.