Hailed as one of the "most important bands in music since the dawn of the rock and roll era,” the legendary rock and roll band with horns, Chicago, came in at #4, the highest charting American band in the chart’s history, in Billboard Magazine's recent Top Bands ad Duos. Chicago is the first American rock band to chart Top 40 albums in six consecutive decades and was inducted into the 2016 Rock and Roll Hall of Fame. Chicago’s first album, “Chicago Transit Authority,” was inducted…