Lonely Together by Avicii is in Bb at 102 beats per minute and runs 2:59 across 59 bars. It uses 7 chords — Dm, Am, Bb, C, Gm, F, Gm7. The chord diagram changes as the song plays and the words light up as they are sung, so you can strum and sing along without reading ahead.
Want the melody line note by note? Lonely Together guitar melody tab.