I love this song and just practising it for karaoke. So I find this a good help to learn the rhythm and lyrics for a non native speaker (as often it's hard to know when the singer leaves out certain parts of words, vowels etc. just by reading the lyrics). I also like that I can hear how different the lyrics can sound expressed by a variety of singers and get some inspiration how I could sing it myself. It would be nice if they included some female singers as well in future videos? It would be very interesting to hear how the song sounds combined with different voices of both male and female singers.