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

Lost In A Lost World

Iron Maiden Heavy Metal

"Lost In A Lost World" by Iron Maiden is performed in the key of E minor. The song was released in 2021 as part of their album "Senjutsu." Written by the band's bassist and primary songwriter Steve Harris, the track explores themes of existentialism and the human condition, drawing inspiration from various philosophical concepts. With its intricate guitar work, powerful vocals by Bruce Dickinson, and dynamic shifts in tempo and intensity, "Lost In A Lost World" showcases Iron Maiden's signature blend of heavy metal prowess and lyrical depth.