cmus - C* Music Player Via Terminal

cmus is a small, fast and powerful console music player for Unix-like operating systems.

It supports various output methods by output-plugins. It has got completely configurable keybindings and it can be controlled from the outside via cmus-remote(1).

See Bandwidth Usage Per Process Via Terminal with Nethogs

NetHogs is a small 'net top' tool. Instead of breaking the traffic down per protocol or per subnet, like most tools do, it groups bandwidth by process.
NetHogs does not rely on a special kernel module to be loaded. If there's suddenly a lot of network traffic, you can fire up NetHogs and immediately see which PID is causing this. This makes it easy to indentify programs that have gone wild and are suddenly taking up your bandwidth.