Having written about a fair few season announcements at theatres across London over the past few years, it's almost expected that a programme full of 'new work' and 'world premieres' will be stuffed with plays - musicals often hardly get a look in. However, one producer has made it somewhat of a mission to bring as many new, fresh musicals to stages as humanly possible.Katy Lipson and her company Aria Entertainment have been a recent success story over the last few years, mounting fringe...