The Allmusic review by Thom Jurek awarded the album 4 stars stating "O Que Será is a one of a kind dialogue between two musicians who understand that music is an adventure; they submit themselves to it fully with a wealth of ideas and bring out the heat, intimacy, and humor in these tunes".[2]The Guardian's John Fordham noted "The Italian pianist Bollani and the Brazilian De Holanda, who plays the bandolim (a 10-string mandolin), have worked up a largely South American repertoire of tangos and love songs, variously treating them with dazzling virtuosity, humour and captivating tenderness... This remarkable duo's pleasure in their work is infectious".[3]All About Jazz correspondent Ian Patterson wrote "The chemistry between Bollani and de Holanda and the almost inexhaustible material at their disposal clamor for a follow-up... O Que Será marks a high point in the discographies of both musicians".[4] On the same site John Kelman commented "The inclusion of audience reactions throughout the show help make O Que Sera a breathtaking 54-minute break from life's trials and tribulations; as close to being there as any audio recording can be, it's proof positive that serious music can be fun, too".[5]
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