This is the first of Stephane Grappelli's sessions as a leader during the 1950s to be issued on CD, which is rather surprising given the availability of his work from the last two decades of his life. Grappelli is heard exclusively in a quartet with pianist Maurice Vander, bassist Pierre Michelot, and drummer Baptiste Reilles, except for two takes of "Someone to Watch Over Me," when Vander makes an ill-advised switch to harpsichord. The violinist is not nearly as aggressive as he would become in the decades to follow, seemingly concentrating more on achieving a beautiful tone than dazzling listeners with his considerable abilities as an improviser. Most of the material recorded during these three dates remained in his repertoire for the remainder of his career; with up-tempo selections like "The Lady Is a Tramp" and "'S Wonderful" getting the nod over most of the ballad interpretations…