The Hebrew word metsiltayim means cymbals — a pair of metal percussion instruments clashed together in worship. The dual form indicates a pair, since cymbals are always used in twos. The word derives from the root tsalal (H6750, to ring, tinkle) and describes instruments that produce a clear, resonant metallic sound. They were among the most important instruments in Israelite temple worship.
David appointed Levitical musicians to play metsiltayim when the ark of the covenant was brought to Jerusalem (1 Chronicles 15:16, 19). Asaph, one of the chief musicians, was a cymbal player. The cymbals served a unique function — they marked the beginning and transitions in worship, calling the congregation to attention and punctuating moments of praise. Psalm 150 commands praise with resounding cymbals, bringing the entire Psalter to its climactic conclusion. The cymbals remind us that worship should be bold, joyful, and unmistakable — not timid or hidden.