Other than the fact that they are only rookies, Teen Top has been impressing the audience with their amazing vocal abilities. On the 27th, Teen Top were the recent guests on Park Kyung Lim's Starry Night. Due to their flawless live performances, Teen Top's vocals have been labeled 'CD Live'. In other words, if you were to listen to Teen Top's live performance and compare it with the CD version, you wouldn't be able to tell the difference. After Teen Top staged a live performance of their debut track Clap on the set, DJ Park Kyung Lim and SG Wannabe's Lee Suk Hoon praised:

PKL: "I love the song and the dance" LSH: "They left a good impression on me after I saw them at a music show. They are impressive and cute dongsengs"

Netizens have commented:

"I got goosebumps from listening to their performance" "Definitely a CD Live"

There wasn't any Clap videos on Youtube, but here's another song they sang.