Sometimes, music with lyrics in the language I'm learning. I don't understand most of it, but my ear gets better at picking out words, and properly-conjugated phrases start to sound natural to me, even if I don't know what they mean yet. But that's only when I feel I need to be pulled along. Once I get into flow, I don't see or hear anything except what I'm doing. My music will end and I won't notice until 2 hours la…
I assume you don't mean programming language? If that's what you did mean, where can I get music with lyrics in Python, Lisp, etc?