The Waa-Mu Show, Northwestern’s student-written musical and oldest theatrical tradition, was just that for 92 years — one musical. Last year, it became a trilogy.  And this year’s “Arch Madness,”...

Love is in the air at Cahn Auditorium.  The 92nd annual Waa-Mu Show, “Romance en Route,” is a romantic comedy musical following six characters’ interwoven experiences of love and heartbreak all...