MOST MUSICIANS, when they decide to do a concert residency, head to Las Vegas. In recent years megastars including Adele, Celine Dion and U2 have made tens, if not hundreds, of millions of dollars ...

Since at least the 11th century in Europe, when troubadour musicians crisscrossed the continent singing songs of love and chivalry, one thing has remained fairly consistent: The artist travels; the ...