Watch Online Free HD Solarmovies. The Headliner is a multi-generational musical drama that explores the evolution, exploitation, and enduring spirit of hip-hop culture. The film follows a reclusive, legendary producer from the genre's "golden era" who is forced out of retirement to collaborate with a fiercely talented but unguided modern street rapper. As they clash over the soul of their music, they must unite to fight corporate greed and protect the artistic integrity of the culture.