Crossword clues for the word: UNDERGROUNDROCK The word UNDERGROUNDROCK has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for UNDERGROUNDROCK Showing 1 to 2 of 2 results Clue(s) Some music for rarefied tastes... and what's at the root of this puzzle Variety of music that almost purposely avoids mainstream