Pianoteq HarpsThe harp has appeared in many forms since as early as 3500 BC. The pedal harp appeared around 1700, and was improved in 1810 by S. Erard's double movement, which allows to play in all keys and is still today's standard for the concert harp. The harp was extremely popular in the 18th century, used by many baroque and classical composers of the time (Hndel, Mozart and others) and later started to appear in operas by Puccini and in symphonic music and