 In all, he completed 20 harpsichords during his lifetime – the final four were completed by a friend, Patrick Horsley, in England.One of the harpsichords made by Gannon-Horsley returned to Ireland and was presented to NUI Maynooth.A piano of note that Cathal restored was a Broadwood square piano owned by the poet and composer, Thomas Moore, which belonged to Lord and Lady Elveden (later Iveagh).