rocklike

adj

1. Resembling a rock.

   “From shoulder to shoulder he measured several ells and his rocklike mountainous knees were covered, as was likewise the rest of his body wherever visible, […]”

2. Resembling rock music.

   “"House Cat Blues," the opening cut, demonstrates this admirably: from the rocklike introductory chords to the echoes of classic Chicago-style piano in Barrelhouse Chuck's solo, a very subtle blend of styles and influences makes the song work.”