2 adjectives to describe saraband

Dinner was served in a vast and sombre hall whose darkly panelled walls and high-beamed ceiling bred a multitude of shadows that danced about the table a weird, spasmodic saraband, without meaning or end, restlessly advancing and retreating as the candles flickered, failed and flared in the gusty draughts.

Dinner was served in a vast and sombre hall whose darkly panelled walls and high-beamed ceiling bred a multitude of shadows that danced about the table a weird, spasmodic saraband, without meaning or end, restlessly advancing and retreating as the candles flickered, failed and flared in the gusty draughts.

2 adjectives to describe  saraband