When Orpheus visited the underworld as a mortal in search for his wife Eurydice and then he played his music!
His wife is Persephone, the goddess of springtime. She ate a pomegranate when she visited the underworld, and was then abducted by Hades. They later wed, and although Persephone is only in the Underworld for 1/3 of the year.
Hades ruled the Underworld with his wife, Persephone.
The god Dionysus descended into the underworld to bring his mother Semele (and perhaps also his wife Ariadne) back from the dead.
Hades took Persephone to the Underworld to be His wife. Zeus (Persephone's father) promised Persephone to Hades as his wife.
Orpheus
Persephone was not the Queen of the Underworld until after consuming the pomegranate, after which she was bound to the Underworld and thus Hades and became his wife and so Queen of the Underworld.
To take Persephone, daughter of Demeter and Zeus, to the Underworld as wife.
Hercules was the only person to do so, when he completed his twelfth labor.
He captured her and took her into the Underworld to be his wife.
The dead in his Underworld, and his wife Persephone.
Hades, King of the Underworld.