Yeah I like the idea of representing the linkage as chain links. Then you could show a broken chain link if a linked track is shown in a view by itself sans si

Yeah I like the idea of representing the linkage as chain links. Then you could show a broken chain link if a linked track is shown in a view by itself sans sibling(s). That type of UI would be simple enough when you want to link tracks that appear in sequence on an album. Are there any use cases for the ability to link unrelated tracks X Y Z together? Probably not. Playlisting pretty much covers all that functionality.