English vocabulary/grammar in a song - ATTENTION!! ONLY SONGS BEFORE 2021

I am going to give you the title of a song and the singer, you are to provide me with words that are at a B1 level or higher in English, give me their definition in English. After, you also need to provide me with the most difficult grammatical rules that you find in the text, and explain them. Explain any idioms and phrasal verbs that you find.