(Hoboken's listings of Haydn compositions are divided by musical genre, and the piano trios as a category are grouped under the Roman numeral prefix XV.)
Haydn's early trios are considered minor works and are seldom played except in the context of complete editions.
In contrast, the later trios, starting in the mid-1780s, reflect the composer's full musical maturity and are greatly admired by critics.
Rosen devotes an entire chapter of his book The Classical Style to them, focusing on the works from the 1780s and beyond (Nos.
"[3] Gretchen Wheelock refers to the trios as "incredible," adding that "the late works especially are brilliantly virtuosic, exploiting the full idiomatic range of the instrument [i.e., the piano].