During a Christmas Party in Nashville, country star Taylor Swift and newcomer Mallary Hope joined forces to sing a karaoke rendition of Miranda Lambert's 2008 hit "Gunpowder & Lead."  Watch the video after the jump.

While fans wait for the full-length albums to see the light of day, Mallary Hope, Daniel Smith, Anthony Smith, Brothers Finch, and Easton Corbin have all released EPs of 3-6 songs to hold fans over.  How do the EPs sound? Are they worth buying from the digital stores?

Listen to a preview of Mallary Hope's debut single.  It's from her digital EP.

With "Love Lives On," MCA Records is trying to beat the 'glass-ceiling' at country radio with this 22-year-old newcomer.  Can this single, which tugs at the heart strings, break through when so many other female artists haven't been able to? Should it?