Co-ed group

[2] Slate's Dann Halem echoed this sentiment, adding that "it's hard to croon convincingly about the pop world's staple subject—teen-age yearning and heartache—if you're harmonizing with the object of your affection.

[8] Notable co-ed K-pop groups include Koyote and Sharp, early examples and also Cool, Roo'ra, Coed School, and more recently, Kard.

"[11] In Japan, AAA has been described as "a rare commodity in J-pop in that they are a mixed-sex group aimed at both female teenagers and male music fans",[12] but they are not the only examples.

[1][2] Notable examples include Aqua,[14] Vengaboys,[14] S Club 7,[1] A-Teens,[1] Hear'Say,[2] Ace of Base, Steps, A Touch of Class, and Liberty X.

[15] Music writer Jake Austen theorised that the success of these groups in the UK can be attributed to the British public's acceptance of the "disposability of pop acts".