Bass and Viola Recital. - Ortiz, Ma. Ana C. (Quezon, City UP College of Music, 1992)
Suite #3 in C major/J. S. Bach -- Capriccio/H. Vieuxtemps -- Grande allegro di concerto alla "Mendelssohn"/G. Bottesini -- Sonata for arpeggione in A minor/F. Schubert -- Melodie in E/G. Bottesini -- Tarantella/R. Gliere.
Unibersidad ng Pilipinas Kolehiyo ng Musika Diliman, Quezon City 75th Anniversary Bass and Viola Recital featuring Lou & Ana Ortiz;Abelardo Hall Autitorium, March 6, 1992.
Lou Ortiz, bass
Ana Castillo-Ortiz, assisting artist