In their first full-length album, I Giardini, a collective of French chamber musicians, center the music of Ernest Chausson. The Concert in D major, Op. 21 for violin, piano, and string quartet is a masterly work on the borderline between chamber music and orchestra, featuring violinist Pierre Fouchenneret and I Giardini’s co-artistic director, pianist David Violi. I Giardini also deliver …