Haydn Trios Hob. IV:1-4 for Two Flutes and Violoncello (London Trios) by Joseph Haydn edited by Andreas Friesenhagen. Henle, 2005. Haydn's trios for two flutes and cello were written in 1794 during his second journey to England. There are a total of eight movements of which seven in the hand of the composer have survived. This new edition is very well printed and contains an extended preface with the history of these works and comments on the editing. Proficient players at the high school level and up can enjoy these trios.