"Lilac" is a pop song with a thumping drumline and driving rhythm guitar. In the song IU recognizes that life does not always imitate art, which consoles us with its neat and memorable endings, and ties up its threads in a way that life rarely does.[3]
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^Choi, Eun-mi (January 23, 2022). "[제31회 서울가요대상]NCT 127, 첫 대상 "오래 꿈꿔 왔다"..임영웅 '4관왕'→트롯 대세 증명(종합)" [[31st Seoul Music Awards] NCT 127, first grand prize "I've been dreaming for a long time"..Lim Young-woong '4 crowns' → Trot trend proof (comprehensive)] (in Korean). Herald Pop. Archived from the original on January 23, 2022. Retrieved January 23, 2022 – via Naver.
^Hwang, Hye-jin (April 1, 2021). ‘엠카’ 아이유, 로제 꺾고 1위…강승윤·김세정 화려한 컴백(종합) ['M Countdown' IU beats 'Rose' and ranks first...Kang Seung-yoon and Kim Se-jung's brilliant comeback (comprehensive)]. Newsen (in Korean). Archived from the original on April 1, 2021. Retrieved April 1, 2021 – via Naver.
^Kim, Ji-Hye (April 4, 2021). '인기가요' 아이유, 브레이브걸스·로제 꺾고 1위..강승윤·김세정 컴백[종합] ['Inkigayo' IU, Brave Girls and Rosé nominated... Kang Seung-yoon, Kim Se-jeong comeback [General]]. Newsen (in Korean). Archived from the original on April 18, 2021. Retrieved April 4, 2021 – via Naver.
^4월 둘째 주 인기가요 차트 [Inkigayo chart for the second week of April]. SBS Inkigayo (in Korean). April 14, 2021. Archived from the original on April 15, 2021. Retrieved April 15, 2021.
^4월 셋째 주 인기가요 차트 [Inkigayo chart for the third week of April]. SBS Inkigayo (in Korean). April 21, 2021. Archived from the original on May 6, 2021. Retrieved May 6, 2021.
^SHOW CHAMPION 389회 TOP20 [SHOW CHAMPION Episode 389 TOP 20]. MBC Plus (in Korean). April 9, 2021. Archived from the original on July 15, 2021. Retrieved July 15, 2021.
^4월 3주순위 <k-차트> 순위 [Music Bank ranking for the third week of April]. KBS Music Bank (in Korean). April 20, 2021. Archived from the original on May 25, 2021. Retrieved April 23, 2021.
^2021년 4월 17일 음악중심 차트 [Music Core Chart for March 27, 2021]. MBC (in Korean). March 30, 2021. Archived from the original on April 19, 2021. Retrieved April 19, 2021.
^2021년 5월 8일 음악중심 차트 [Music Core Chart for May 8, 2021]. MBC (in Korean). May 11, 2021. Archived from the original on May 22, 2021. Retrieved May 22, 2021.