Trackers

noun

1. Agent noun of track; one who, or that which, tracks or pursues, as a man or dog that follows game.
2. In an organ, a light strip of wood connecting (in path) a key and a pallet, to communicate motion by pulling.
3. A type of computer software for composing music by aligning samples on parallel timelines.
4. A musician who writes music in a tracker.
5. A computer program that monitors something.