πολλὰ δ' ἄναντα κάταντα πάραντά τε δόχμιά τ' ἦλθον → and ever upward, downward, sideward, and aslant they went
P., use adj., ἀντίστροφος.
music was a counterpart of gymnastic: P. ἦν (μουσική) ἀντίστροφος τῆς γυμναστικῆς (Plato, Republic 522A).