How to play this song ?

These are single notes, not chords.
Each note must be played individually.

There are different notations, like, A B C , DO RE MI , Sa Re Ga and numeric notation 1 2 3.
Choose one that fits better for you.

You can distinguish the octave by the color of the note and if it is UPPERCASE (high pitch) or lowercase (low pitch). Enjoy

Sorry not good enough

McFly Pop

"Sorry's Not Good Enough" is a song by the British band McFly. The original key of the song is B major. It was released as a single in 2006 as part of their album "Motion in the Ocean." The song was written by the band members Tom Fletcher, Danny Jones, and Dougie Poynter. "Sorry's Not Good Enough" is an upbeat pop-rock track with catchy melodies and energetic instrumentation. It received positive reviews from critics and achieved commercial success, reaching the top 10 on the UK Singles Chart.