This recording presentes a significant outline of italian organi music composed from 17th to 18th century, suggested by the history and the phonic characteristics of this organ. Te program begins with the first Sonata by Ignazio Sperger, a composer which elongs to Venetian school. He was born in Treviso, where he also worked as organ and harpsichord player, Hes live cannot be fully documented. The certain only thing ist hat he wrote a lot of collections of organ Snatas. Some of them wewe publisched during his life, the others ones have been preserved as manuscripts in many italians libraries, such that of Conservatorio “N. Paganini“ in Genoa. Bernardo Pasquini is one of the most important Italian composero for organ and harspsichord. In his keyboard works the transition from the modal to the tonal system occour. To the links between Roman and Spanisch ulture the activity of Domenico Scarlatti is directly conncected. Bifore his transfer to Portugal and then to Spain, he worked a lot of years in Rome as music master of the Queen Mary Casimire of Poalnd and as organist in St. Peter Basilica. With ist Stopps the Alari organ is also perfect to play the pieces by Gaetano Valerj presented at the end if this recording. Valerj worked in Padova as musician end painter. He singnificantly represents his time, wich was a period of transition. Organ repertoire of this time was definitively giving up contrepoint, becoming moe nad more an imitation of orchestra. The compositional style bacame increasingl operatic