He counted Gluck among his students , and was highly regarded by younger composers including Johann Christian Bach .
Giovanni Battista Sammartini ( c. 1700 -- 15 January 1775 ) was an Italian composer , oboist , organist , choirmaster and teacher .
Giovanni Battista Sammartini counted Gluck among Giovanni Battista Sammartini 's students , and was highly regarded by younger composers including Johann Christian Bach .
Giovanni Battista Sammartini ( c. 1700 -- 15 January 1775 ) was an Italian composer , oboist , organist , choirmaster and teacher .