Starting from listen to music along with reading the lyrics. If you come across a difficult or interesting words, do research, find meaning, practice listening and pronunciation as, without lyrics.
From listening to the music and read the lyrics. If you come across words that are difficult or interesting research into the meaning. Then practice listening and pronunciation without lyrics.
Starting from listening to music and reading the lyrics. If you find difficult vocabulary or interesting is the search for meaning. Then listen and repeat without lyrics.