“They were upon Sirenum Scopuli, the Siren Rock, before they knew it. The strains of sweet music were wafted into the ears of everyone on board as they approached. Members of the crew began to snatch at the air trying to catch the sound, like puppies snapping at butterflies. They stood at the gunwales of the Argo and leaned out, straining to get closer.
Jason was ready for his – ‘Now!’ he shouted to Orpheus, who stood high on the foredeck, picked up his lyre and began to sing his own song.
The two most enticing sounds in the world intermingled. Orpheus’s music, being in closer proximity to the Argonauts, won the day. He had been saving a special song, his most perfect, for just this occasion. Jason and the others turned away from the Sirens on their rock and let the rippling of Orpheus’s lyre and the sublime tones of his voice enter their minds and hearts.”
...
The tender beauty of the Sirens’ music was inversely proportional to the vicious cruelty of their purpose. They sang to entice sailors – birds and wildlife too – and draw them onto the rocky cliffs of their home. They would hop from their crags to the wrecked ships and feast on their transfixed crewmen.”
--- Stephen Fry. “Heroes: Volume II of Mythos.
I didn't know about this early solution to the Sirens problem. It's easy to see why and how Odysseus outsmarted the previous generation of great Greek heroes.
upd.
https://en.wikipedia.org/wiki/Orpheus "Chiron told Jason that without the aid of Orpheus, the Argonauts would never be able to pass the Sirens—the same Sirens encountered by Odysseus in Homer's epic poem the Odyssey. .. When Orpheus heard their voices, he drew his lyre and played music that was louder and more beautiful, drowning out the Sirens' bewitching songs."