_:vb3351052 . "4" . _:vb3351051 . . _:vb3351052 "The tuning in the sound samples is 442 Hz."@en . _:vb3351052 "\u00C4\u00E4nin\u00E4ytteiden vire on 442 Hz."@fi . _:vb3351051 "(music) tuning (the overall pitch an instrument is tuned to, relative to a standard frequency)"@en .