Which preposition to use with mandolines

beneath Occurrences 1%

Among the loveliest motives used in the altar-pieces of this period might be mentioned the boy-angels playing flutes and mandolines beneath Madonna on the steps of her throne.

in Occurrences 1%

At eight o'clock, Dotty went to bed with Mandoline in the unfinished chamber, sorely against her will; and Mandoline told her such dreadful stories that she could not close her eyes for fright.

on Occurrences 1%

She was a woman who would be obeyed; and Dotty, finding it of no use to hold out against fate, went up stairs at last, and lay down beside Mandoline on the "pin-feathers.

Which preposition to use with  mandolines