I prefer listening to songs in a language I don't understand, it makes me able to appreciate the sound of the voice, the rhythm and musical quality, without being biased by the content of the lyrics, which are often unimpressive to say the least.
[0] https://www.youtube.com/playlist?list=PL01DA7137241FC16D
[1] https://www.youtube.com/watch?v=8256VJ4hkJU [2] https://www.youtube.com/playlist?list=PLwbDtBfx5bnPEgadOHQYE...