Ongoing –March:  Ballroom Dance Class, 933 Second St., Tuesdays 6:45-7:45p.m.  Sponsored by Alexandria Museum of Art.  Cost:  AMoA members per month for individual:  $40, for three months: $105.  AMoA members per month per couple: $60, for three months:  $165.  For non-members per month for individual:  $60, for three months: $165.  For non-members per month per couple:  $80, for three months:  $225.  Call Catherine Pears:  443-3458