That'll Be the Day (1973)

Abandoned by his father at an early age, Jim MacLaine (David Essex) seems to have inherited the old man's restlessness. Despite his apparent intelligence, Jim decides to not take the exams that would pave his way to university. For a time his life consists of dead-end jobs and meaningless sex before he returns home to work in his mother's shop. But he still can't settle down, and he wonders if the life of a pop musician might suit him best.