B1A4�have released a dance practice video for their recent hit song "Lonely".

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The track, from their second full album 'Who Am I', topped charts as soon as it hit airwaves. It was a special milestone for B1A4 as member Jinyoung�composed the song, while Jinyoung and Baro�wrote the lyrics.

Check out B1A4's dance practice as well as their adorable moments together above!