"Doin' Time" is a song by the band Sublime that captures the feelings of longing and regret. The lyrics tell the story of someone who feels trapped, comparing their emotional state to being in prison. The catchy melody and laid-back vibe contrast with the serious themes, making it relatable to many listeners. The song is inspired by George Gershwin's classic "Summertime," blending elements of reggae and rock. It reflects the struggles of love and the challenges of life, resonating with anyone who has experienced heartache. Overall, "Doin' Time" is a memorable anthem about feeling confined by circumstances beyond one's control.