Music of Philadelphia and actress. Benjamin Franklin was also a musician, a guitar teacher and inventor of musical instruments like the glass armonica. In 1784 Andrew Adgate organized the Institution for the Encouragement of Church Music, renamed the Uranian Academy (1787–1800). The school was the center of the city's choral music scene during the latter part of the 18th century. The earliest known performance of a musical drama in Philadelphia was Colley Cibber’s "Flora, or Hob in the Well", a ballad opera performed by a touring opera company from England in 1754. In 1757 Francis Hopkinson mounted an elaborate production of Thomas Arne’s
Social class in 18th-century Spain Social class in 18th-century Spain The social structure of Spain in the 18th century continued to be based upon nobility and peasantry. However, the period also saw the growth of a middle class, centred upon the growing bureaucracy associated with Bourbon rule, and upon a limited development of commerce and industry. In Spain at this period there were a large number of nobles. Some of them were rich while others were poor workers. Although their number decreased during the second half of the century, they continued numerous, due in part to the large number of "hidalgos" in the north of