보고싶다 친구들아... - 연규성 白 - [Credit] Executive Producer 엑스보컬엔터테인먼트 Music Producer 연규성 Composed by 연규성 Lyrics by 연규성 Arranged by 김영재 Piano by 김영재 Guitar by 김영재 Bass by 김영재 Drum by 김영재 Album Artwork 이건혁[다가옴프로젝트] Vox Recorded by 연규성 @ XVOCAL Studio Mixed by 연규성 @ XVOCAL Studio Mastered by 김영재 @ MRFACTORY Studio