Hearing the right notes
Did you know that a concert piano usually gets tuned before the rehearsal and then again before the concert? According to the Piano Technicians Guild: "Due to the natural elasticity in new piano strings, we recommend that your instrument be tuned two to four times the first year, twice the second year and a minimum of once per year thereafter. Of course, you may choose to have your piano tuned more or less often to satisfy your own personal requirements."
A standard tuning is a fine tuning, pedal adjustment and minor cleaning/regulation/voicing.
It might just need...