(intro) Alright Ooh, yeah I'll admit, I was wrong, what else can I say, girl? Can't you blame my head and not my heart? I was drunk, I was gone, that don't make it right, but I promise there were no feelings involved, mmh She said, "Boy, tell me honestly Was it real or just for show?", yeah She said, "Save your apologies Baby, I just gotta know" How long has this been goin' on? You been creepin' 'round on me While you callin' me "baby" How long has this been goin' on? You been actin' so shady (shady) I've been feelin' it lately, baby Ooo-oh (yeah) Ooo-oh (encore) Oooh-ooh-oh I'll admit (I'll admit), it's my fault (my fault), but you gotta believe me When I say it only happened once, mmh I tried (I tried), and I tried (I tried), but you'll never see that You're the only I wanna love, oh, yeah She said "Boy, tell me honestly" (honestly) "Was it real or just for show?", yeah (real or just for show?) She said, "Save your apologies" (apologies, yeah) "Baby, I just gotta know" How long has this been goin' on? You been creepin' 'round on me (on me) While you callin' me "baby" (baby) How long has this been goin' on? You been actin' so shady (shady) I've been feelin' it lately (lately), baby Ooo-oh (yeah) Ooo-oh (encore) Oooh-ooh-oh How long has it been goin' on, baby? Ooo-oh (yeah) Ooo-oh, you gotta go tell me now Oooh-ooh-oh She said, "Boy, tell me honestly Was it real or just for show?", yeah She said, "Save your apologies Baby, I just gotta know" How long has this been goin' on? (on, on) You been creepin' 'round on me (on me) While you callin' me "baby" (baby) How long has this been goin' on? You been actin' so shady (shady) I've been feelin' it lately (lately), baby How long has this been goin' on? You've been creepin' 'round on me How long has it been goin' on, baby? Oh How long has this been goin' on? You've been actin' so shady (shady) I've been feelin' it lately, baby
收錄這首歌的專輯 VoiceNotes （中譯：聲情記事）整張都是由 Charlie Puth 一人獨力創作完成的，雖然這張專輯所收錄的主打歌曲在2017年都已經完成，但 Puth 為了要將這張專輯能夠「更加完美」而往後延了一段時間才發行這張專輯，同時也收錄了另外兩首歌曲。 而這首 How Long 在2017年十月就已經在Youtube和各大音樂平台發行，也在告示牌排行榜奪得了第21名的成績，曲風帶有大量的個人風格，特別是伴奏中大量運用的藍調，就是他在正式出道之前所經常於酒吧表演的項目；而這首歌也為了呼應專輯的整體性，內容也偏向情侶間的紛爭。