ZE:A's Kwanghee & Hyungsik sing Davichi's Don't say Goodbye

ZE:A's Kwanghee and Hyungsik appear on MBC FM4U 2 O'clock Date Radio and they cover Davichi's hit song "Don't Say Goodbye", check out their performance below.

How many points out of 10 do they deserve?

Source : dkpopnews[dot]net