모두에게 소중하고 특별한 생일날달력 속 빨간 동그라미를 그리고 날짜를 세며 선물을 준비하는 작고 소중한 마음그리고 마음을 표현하는 당찬 용기봄처럼 싱그러운 열여덟 동갑내기 첫사랑(CSR).10대 소녀들의 풋풋한 설레임이 가득 담겨 있는 곡이다.이 곡을 듣는 모두가 매일이 생일 같은 행복한 하루를 보내기 바라며… HBD To You01. HBD To You작사 : 이기환, ki:ssy(KIPLE), 문씨(KIPLE)작곡 : 이기환, ki:ssy(KIPLE), 문씨(KIPLE)편곡 : 이기환, CONA(KIPLE), 문씨(KIPLE)Vocal Chorus by ki:ssySynthesizer by CONAPiano by 고형은Guitar by 문씨Drum by CONA, 이기환Percussion by CONABass by CONAMIDI Programmed by 이기환, CONA, 문씨Recorded by 나수민 @BAKE SOUNDMixed by 최재영 @BAKE SOUNDMastered by 권남우 @821 Sound Mastering02. HBD To You (Midnight Ver.)Lyrics by Lee Gi Hwan, ki:ssy(KIPLE), MoonC(KIPLE), Shin In Soo, SOFTSERVEBOY(153/Joombas), McDamon, Sofia QuinnComposed by Lee Gi Hwan, ki:ssy(KIPLE), MoonC(KIPLE),Arranged by Lee Gi Hwan, ki:ssy(KIPLE), MoonC(KIPLE),Vocal Chorus by Frankie Day (THE HUB)Synthesizer by CONAPiano by Ko HyeongeunGuitar by MoonCDrum by CONA, Lee Gi HwanPercussion by CONABass by CONAMIDI Programmed by Lee Gi Hwan, CONA, MoonCRecorded by Na Soo Min @BAKE SOUNDMixed by Choi Jae Young @BAKE SOUNDMastered by Kwon Nam Woo @821 Sound Mastering03. HBD To You (Inst.)[Credits]Executive Producer 신인수Music Producer 신인수Executive director 김민성Chief Project Manager 서유미New Media Marketing 위아영, 나디아홍, 조인영, 김민수Finance & Administration 김은아Video Director 조병희Album Designer 주예진Special Thanks to 마음(MAEUM)♡