Here's the some archive.org links. You can find some unleaked videos and songs. But you can't download it here.
Her website: https://web.archive.org/web/20120307145907/http://www.meghan-trainor.com:80/
Her ReverbNation page: https://web.archive.org/web/20120128130044/www.reverbnation.com/meghantrainor
Her YouTube channel: https://web.archive.org/web/20101103113828/http://www.youtube.com:80/user/mtrainor22
Her SoundCloud page: https://web.archive.org/web/20120128224520/https://soundcloud.com/meghan-trainor
To everybody who has contributed on the Meghan Trainor Wiki, thank you for making it a great and a safe place for new users to settle down and feel comfortable. It has been a great experience editing here and catching up on all of the latest news of the coolest breakout artist of 2014, Meghan Trainor.
I have told many people about this Wiki and they have checked it out. I am trying to get more users to join and hopefully they might consider joining it! Wish me luck! :)