It varies. Right now:

1. Prague - Muse
2. Take A Bow - Muse
3. Sunburn - Muse
4. In Your World - Muse
5. The International (OST) - Muse

My favorite songs change constantly, but at the moment these are my 5 most listened to songs:

1. Heroes and Villains - The Beach Boys
2. The Obvious Child - Paul Simon
3. No Salt On Her Tail - The Mamas & the Papas
4. Alone Again Or - Love
5. Blue Jay Way - The Beatles

My Favorite Songs always change,but as of this moment my top five songs look like this:

1.Because You Live-Jesse McCartney
2.Crazy For You-Madonna
3.Three Times A Lady-Lionel Richie
4.Believe-Cher
5.How Do You Like Me Now-The Heavy

My favourite songs change. Now, they are:

1. Gimme More - Britney Spears
2. Dirrty - Christina Aguilera
3. Genie in a Bottle - Christina Aguilera
4. Tearin' Up My Heart - N'Sync
5. Break The Ice - Britney Spears

I really love Britney and Xtina, that's why they are there (:

Excuse my obsessive love, but:

1) Ghost Love Score - Nightwish
2) The Phantom of the Opera - Nightwish [especially the End of an Era version]
3) Devil and the Deep Dark Ocean - Nightwish
4) Scaretale - Nightwish 
5) The Siren - Nightwish

1. Demi Lovato - Confident
2. Fall Out Boy feat. Demi Lovato - Irresistible
3. Ariana Grande - Focus
4. Demi Lovato - Stone Cold
5. Demi Lovato - Kingdom Come

Since I am a lover of classic rock, that is how my list skews. I also self-imposed a rule of no artist being repeated on this list, to force some variety onto it.

1) Stairway to Heaven - Zep
2) A Quick One - The Who
3) The Call Up - The Clash
4) A Sort of Homecoming - U2
5) The End - The Doors

1. Endgame by Taylor Swift ft. Ed Sheeran & Future
2. Before he cheats by Carrie Underwood
3. Disarm by The Smashing Pumpkins
4. Dangerous Woman by Ariana Grande
5. Love the way you lie by Eminem ft Rihanna

1. Chandelier-Sia
2. HIM- Sam Smith
3. All I Ask- Adele
4. Breathe (2 A.M)-Anna Nalick
5. Linger- The Cranberries

In no particular order...

1. All Signs Point To Lauderdale by A Day To Remember
2. Tantrum by Waterparks
3. Pet Cheetah by Twenty One Pilots
4. Happy Judgement Day by Neck Deep
5. In Bloom by Neck Deep