The link below has a complete list of the top 100 songs from 2010.
50
Songs for Siigoun was created in 2010.
Here's a link, but there aren't 50 of them.
20 songs in 2010
50
One can find the lists of top 50 songs from the following online sources; ShareMyPlaylist, YouTube's Top 50 Songs 11th June 2013, and Aria Charts top 50 songs list.
Look at the related link which has a complete list of the top 100 songs of 2010.
Click below.
50
One can find the top 50 songs of 2012 on many different sites. Many of these sites are opinions but a very popular site that has many such opinions is Youtube.
WWE Top 50 Superstars of All Time - 2010 V is rated/received certificates of: Australia:M
#1 was SOS By the JONAS BROTHERS LOVE THEM
Rap Critic Reviews - 2010 Top 8 Best Rap Songs of 2012 4-1 was released on: USA: 25 January 2013
The Nostalgia Critic - 2007 Top 11 Villain Songs 3-9 was released on: USA: 23 February 2010
Billboard have a list of the top 50 love songs so these are the ones which they consider are the best. Also, many country songs are about love starting or ending and these may be appropriate.
CMT Top 20 Countdown - 2001 10-50 was released on: USA: 17 December 2010
Rap Critic Reviews - 2010 Rap Critic's Top 10 Best Rap Songs of 2013 5-2 was released on: USA: 31 January 2014