The Bloods is widely known.
Gustav Albert Lortzing -LRB- October 23 , 1801 -- January 21 , 1851 -RRB- was a German composer , actor and singer .. He is considered to be the main representative of the German Spieloper , a form similar to the French opera comique , which grew out of the Singspiel .. Spieloper. Spieloper. opera comique. opera comique. Singspiel. Singspiel