Puzzle 6

Composer of 27 piano concertos.

If it's not transparent, it's this.

Lines of shrubs used as outdoor walls.

Robots in the Star Wars universe.

Chemical element researched by Marie Curie.

Charles, Snoopy's creator.

Large groups of singers.

A single nerve cell.

Atlantic bay on the northern coast of Spain.

Brooch that holds a man's neck adornment in place.