"I don't usually listen to this stuff, but...it's good!"
It introduces the concept of Holds catching other beats while they are being held. It is the first time the player has to juggle Oneshots and Holds at the same time.
The player treats the Miner and Cole through their heart issues, with Cole playing his music in the train as the Miner listens. In the middle of the level, Richard Hugh briefly interrupts to have a single abrupt heartbeat treated, before the level resumes as normal. After the level, the Miner remarks that he likes the music despite not usually listening to songs of its type.