sentences:  In 1989, María Guinand conducted the “Cantoría Alberto Grau” as they participated in the “III International Choral Competition” in Neuchâtel, Switzerland where they won the First Prize in the Women Voices Category and the Grand Jury Prize “Novum Castellum”, they then departed to participate in the “XXXVIII International Choral Competition Guido D’Arezzo” winning four prizes including First Prize in the “Vocal ensemble and soloists” category and First Prize in the “Popular Choral Music” category.As Coordinator of the Choral Symphonic Performances of the “Simón Bolívar Symphony Orchestra”, during the 1990s, María Guinand prepared the choirs for many performances in Venezuela and abroad for renowned conductors such as