Choi, Su-hyeok (April 5, 2021). '나빌레라' 박인환X송강 사제듀오 케미 극대화시킨 OST 공개! 김국헌 'Butterfly' 발매 ['Navillera' OST Release Maximasize Park In-hwan x Song Kang Duo Chemistry! Kim Kookheon 'Butterfly' Release]. Public News (in Korean). Retrieved February 21, 2024.
Choi, Soo-jin (April 16, 2021). 하현상 '나빌레라' OST 참여, 'Heal You' 20일 공개 [Ha Hyunsang Participate on 'Navillera' OST 'Heal You' Release on the 20th]. Seoul Economy Daily (in Korean). Retrieved February 21, 2024.
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Yang, Yong-eun (April 13, 2021). 박인환X송강, 따뜻한 감성 담은 '나빌레라' 새 OST…소향 '아름다운 말' 발매 [Park Inhwan x Song Kang Warm Emotions in ' Navillera New OST... Sohyang's 'Beautiful Words' Release]. Straight News (in Korean). Retrieved February 21, 2024.
Oh, Soo-jung (March 25, 2021). 태민, 6년만에 '나빌레라' OST 가창 참여...'My Day' 30일 공개 [Taemin Participate on 'Navillera' OST After 6 Years...'My Day' Release on the 30th]. X Sports News (in Korean). Retrieved February 21, 2024.