The purpose of this contract is for keyboard tuning services and ancillary services for the Conservatoire de Paris. It consists of eight lots. The services of the market include maintenance services, preparation (harmonization, adjustments, repairs) and chords of pianos (lots 1 to 7) and old keyboards (lot 8). They are detailed in the market CCTP.

Two grand pianos for concert halls, fourteen grand pianos for classrooms (including five sensitive rooms) and studios, and eight upright pianos installed in the studios.

Three grand pianos for concert halls, twelve grand pianos for classrooms (including two sensitive rooms) and studios, and eight upright pianos installed in the studios.

Three grand pianos for concert halls, thirteen grand pianos for classrooms (including two sensitive rooms) and studios, and eight upright pianos installed in the studios.

21 grand pianos installed in classrooms (including two sensitive rooms) and studios, and nine upright pianos installed in the studios.

22 grand pianos installed in classrooms (including two sensitive rooms) and studios, and nine upright pianos installed in the studios.

22 grand pianos installed in classrooms (including three sensitive rooms) and studios, and nine upright pianos installed in the studios.

20 grand pianos installed in classrooms (including four sensitive rooms) and studios, and nine upright pianos installed in the studios.

Early musical instruments (harpsichords, virginal, clavicord, historical pianos, positive organs, etc.).