Brown Eyed Girls rapper Miryo, who has recently made a solo comeback, talked about Ga In's featuring during 'Kim Chang Ryul's Old School' on August 11. 

The DJ asked her why she enlisted Ga In's help.  Miryo explained, "Originally, there was going to be no featuring with me even doing the singing parts.  You'll know from listening to the song, but the song did not need amazing vocals.  However, people around me listened to the guide version recorded with my voice... I don't think my singing skills were good. That's why Ga In helped out.  The part where Ga In comes out brings to live the toxicity of the song.  It's like the feeling of going 'shalala.'"

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Kim Chang Ryul consoled her with, "In terms of beauty, Miryo is more 'shalala,'" and she replied, "Ah, then I've succeeded."