Italian composer, violinist, and organist.
He assisted his uncle, Lelio Rossi, at the Cathedral of S.
Lorenzo, Genoa, He moved to Rome by 1624 and entered the
service of Cardinal Maurizio of Savoy, where he met Sigismondo
d'India; he also studied with
around this time. His opera
Erminia stel Giordano
was performed in the theater of the Palazzo Barberini in 1633
and published four years later; a second opera,
(1638, music lost), was produced in Ferrara. Rossi was famous
in his time as a virtuoso violinist; his surviving keyboard
music, especially his toccatas, are stylistically close to
Froberger and Frescobaldi.