Joseph Haydn Portrait of Joseph Haydn by Thomas Hardy (1791)[31 March 1732 – 31 May 1809] Piano Trio No. 39 in G major Hob. XV/25 ("Gypsy") EMERALD Piano TrioAleksandr Snytkin, violinMarie-Thaïs Levesque Oliver, violoncelloAnastasia Markina, piano Joseph Haydn's Piano Trio No. 39 in G major Hob. XV/25 was written in 1795. It is perhapsHaydn's most well-known piano trio and sometimes nicknamed..