The download includes "Song for Dan Treacy," "It's Working," and "I Found a Whistle," all from Congratulations, and "Only a Shadow," which they covered (originally by The Cleaners from Venus) and played live for the first time at Moog. The essay, written by Sean Moeller, both eloquent and wonderful, praises MGMT and is by far my favorite article written about them.
You can download these songs for free and read the fantastic article here. The bands record specifically for Daytrotter, and comes at no loss to the band.
Enjoy!