During season three of The Sing-Off, my favorite group was Pentatonix. I had watched The Sing-Off for two years and there had not been an a capella group like them yet. After Pentatonix won, I thought they had a chance in the pop music world. Two years later, I still do.

In case you don’t know, a capella music is basically music without instruments. All sounds (percussion, bass, background and lead) are made solely using peoples’ voices. In Pentatonix, this sound is made through vocalists Scott Hoying, Mitch Grassi and Kirstie Maldonado, vocal bass Avi Kaplan and beatboxer Kevin Olusola.

The thing that sets Pentatonix apart from other a capella groups is simple. Their music sounds like actual pop music. In covers like “Can’t Hold Us” and “Save the World/Don’t You Worry Child,” they are able to recreate many of the electronic sounds that dominate music today. Vocally they are flawless. Grassi has the voice of an angel (“Royals”), Hoying’s vocal runs are amazing (“Radioactive”) and Kaplan’s deep voice holds everything together (“Thrift Shop”).

I do see a lot of potential for Pentatonix to turn into a pop group. With original songs like “The Baddest Girl” and “Show You How to Love,” they showcase their originality and ability to make amazing, radio-worthy music. Their next EP, PTX Volume II, is slated to be released on Tuesday, Nov. 5. And who knows, maybe you’ll hear one of their songs on the radio someday. As for me, I hope it’s the first of many more a capella songs to come.