The five talented boys of B1A4 have finally returned to the music scene with their newest album release titled, 'THE B1A4 [IGNITION]'!

Their title track "Baby I'm Sorry" was written and produced by B1A4?s member Jinyoung. It's an attractive song with a twist and an addictive melody.

Check out the boys perform their title track, along with "This Time Is Over" on today's 'Music Core' below!

In related news, the boys continue to top various charts with many of their 9 new songs released on their album.

Check out their performances below, and be sure to catch the rest of today's 'Music Core' performances�here!

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