What are the 100 most have songs to have on your Iphone?

I'm looking or a few of the most famous songs of all time to put onto my iphone. If you can give me a hundred thatw ould be great. Even one would be helpful.

Let It Be By: The Beatles
Larger Then Life By: The Backstreet Boys
Single Ladies By: Beyonce
Boom Boom Pow By: The Black Eyed Peas
Livin On A Prayer: Bon Jovi
Just The Way You Are By: Bruno Mars
Runaway Baby By: Bruno Mars
Bad Day By: Daniel Powter
Like A G6 By: Far East Movement
Whistle By: Flo Rida
We're Young By: Fun
Down By: Jay Sean
Waiting On The World To Change By: John Mayer
Mr.Brightside By: The Killers

I don't think I know enough music to decide which songs are the best, but I have found some good lists that you might like.

Most of the songs in this list are kind of old, but great nonetheless
http://www.squidoo.com/...m/100songs

This one has variety
http://www.news.com.au/entertainment/music/soft-rock-remixes-love-break-ups-100-songs-every-ipod-should-have/story-e6frfn09-1225999198545

This list is also good, a lot to choose from here
http://www.rollingstone.com/music/lists/the-500-greatest-songs-of-all-time-20110407

and I'm adding this one last, which I also thought was good
http://www.instash.com/top-100-greatest-songs-of-all-time

There are many more lists that you can look for as well, hope these lists help.