Which preposition to use with tuner

of Occurrences 3%

My heart is all untamed for evermore; The strings hang loose and warp'd for evermore; The rocks resound not with my olden songs, Nor melt in echoes on the trancèd breeze; The streams flow on to music all their own; The magic of my lyre hath pass'd away, For Love ne'er sweeps sweet music from its chords; For thou art pass'd away, Eurydice; Thou tuner of my song, Eurydice; And there is nought to guide the erring tones

in Occurrences 1%

She didn't believe there was another such tuner in the United States.

with Occurrences 1%

She'd been talking about the piano tuner with what struck him as a surprisingly confident understanding.

Which preposition to use with  tuner