from 1970 to 1993, lupu made over 20 recordings for decca records; although he has not released any commercial recordings for the label since, he continues to be an exclusive decca artist. his solo recordings, which have received a lot of acclaim, include works by beethoven, brahms, grieg, mozart, schubert, and schumann, including all of beethoven's piano concertos as well as five piano sonatas and other solo works; the grieg and schumann piano concertos, as well as three major solo works of schumann; nine piano sonatas and the impromptus and moments musicaux of schubert; various major solo works and the first piano concerto of brahms; and two piano concertos of mozart. his chamber music recordings for decca include all of mozart's sonatas for violin and piano with szymon goldberg; the violin sonatas of debussy and franck with kyung wha chung; and various works by schubert for violin and piano with goldberg. he additionally recorded works of mozart and schubert for piano four-hands and two pianos with murray perahia for cbs masterworks, two albums of schubert songs with barbara hendricks for emi, and a disc of works by schubert for piano four-hands with daniel barenboim for teldec.