These are the songs sorted according to the word you are looking for (alone)

Marshmello - Alone

Post Malone - White Iverson

Alan Walker - Alone

Alan Walker - Diamond Heart Feat Sophia Somajo

Avicii - Silhouettes

Avicii - You Make Me

Khalid - Better

Halsey - Without Me

Khalid - Young Dumb & Broke

Post Malone - Circles