It may change in the future but there goes XD :

AIR - Casanova 70
Ryn Weaver - OctaHate
Lana del Rey/Ray - Brite Lites, Video Games
Podington Beat - Ant Party
Maria Rita - Encontros e Despedidas

Jeff Buckley - hallelujah 

Dog Days Are Over by Florence + The Machine

Jessica Jung - Love Me The Same

It's impossible to pick a single favorite song of all time. So here are some of my favorites out of the many songs I love. 

Pink Floyd - Us and Them
David Bowie - Space Oddity
Mac Demarco - Let Her Go
Gorillaz - Feel Good Inc. 
Buddy Holly - Crying, Waiting, Hoping
The Beatles - Fixing A Hole

There a so many more. There are literally thousands of songs that come to mind. 

Luq kys for this thread.

I DON'T KNOW URM

idek; it's hard.

To be honest, nearly everything by The Beatles and I DON'T KNOW.

It's always changing. BYE

Welcome To The Black Parade - MCR 

All Time Fav!!!

ACTUALLY, it's probably a tie between that and Teenagers, also by MCR.

Definitely all songs by Pentatonix and Panic! at the disco (-:

In no particular order:

1. Blonde - I Loved You More
2. Josef Salvat - Open Season
3. Troye Sivan - for him.
4. Years and Years - Worship
5. AlunaGeorge - Kaleidoscope Love

and more ...