Play NYT Connections Puzzle #317 Sun, Apr 21

Find groups of four related words Need hints?

Solve NYT Connections puzzle #317 - Group 16 words into 4 categories: EXAMPLE, IDEAL, MODEL, SYMBOL, CAR, CONDUCTOR, STATION, TRACK, CYMBAL, SCIMITAR, SIMMER, SYMPHONY, DRUM, MARK, WAX, WIG.