Investigate the Philharmonie de Paris Museum of Music collection website at collectionsdumusee.philharmoniedeparis.fr to find information about harpsichords. Report on the website's accessibility and whether the search functionality for instruments can be used to identify the total number of harpsichords and the full name of the first listed harpsichord.
Attempt to navigate to collectionsdumusee.philharmoniedeparis.fr. Observe and report the status of the website (e.g., accessible, error message). If accessible, attempt to locate and use the search functionality for instruments to find 'clavecin' (harpsichord). If search results are available, identify the total number of harpsichords and the full name of the first harpsichord listed. If the website is inaccessible, state the reason and confirm that the search and information extraction cannot be performed.
Clearly state whether collectionsdumusee.philharmoniedeparis.fr is accessible or inaccessible. If inaccessible, provide the specific error message encountered (e.g., '503 Service Unavailable'). Confirm that due to the website's status, the search functionality for 'clavecin' could not be used, and therefore the total number of harpsichords and the name of the first harpsichord could not be retrieved.