At the end of the 1920s, a novelty from the carioca guitar scene echoed in the main Brazilian cities: young ladies from society dedicated themselves to the guitar, performing in public a folksong repertoire. Among all the artists who dedicated themselves to the interpretation of songs, Olga Praguer Coelho stood out for the mastery with which she blended her voice with the guitar. In the 30s she embarked on an international career, which first began in Argentina where she had much success. Olga then toured extensively in the Americas, Europe, New Zealand, Australia, and South Africa. Her art was known for its fastidious repertoire selection and, also, for the expertise with which she mastered voice and guitar in instrumental arrangements of great virtuosity.