Ce musical au scénario farfelu a d’abord été joué pendant trois semaines au Bristol Old Vic. Il s'est ensuite joué pour une très très longue série dans le West End (devenant même le record de longévité à l'époque) et a été plus tard joué au Crest Theatre, Toronto - une production qui a été transféré à New York, où il n'a tenu l'affiche qu'une courte série de seulement 80 représentations.
Newly acquired BA gowns hang heavy on the shoulders of Jane and Timothy. Having got this far, what on earth do they do next? They could get married, of course (so they do), but how can they make a living? In a London park one breathlessly warm summer day they encounter a tramp who trundles round a mobile mini-piano. Even tramps need a holiday now and then, and he invites the young graduates to look after his business interests for a month at £7 per week plus whatever they can collect. The piano is not just any old mobile mini; those who hear it find themselves dancing, even against their better judgment. On this gentle thread of story is strung a series of revue-type scenes providing rich opportunities for versatile comedy players who can also sing and dance.
The story of Salad Days begins in the precincts of a University, where a Tramp is trying out a new melody on a battered old street piano. (Opening Music), His musings are soon interrupted by the arrival of a gaggle of Dons who have come to bid farewell to two departing graduates, Jane and Timothy. (The Things That Are Done By a Done). The young couple are sad to leave the University, but determined to face uptothe future. (We Said We Wouldn't Look Back). Their future, however, is uncertain, as both are being harassed by their parents, she to find a suitable husband, he a suitable job, following in the footsteps of one of his influential uncles. His troubles usually begin at breakfast. (Find Yourself Something To Do).
The pair arrange to meet in a London park. As usual, Jane is on time, Timothy is not. (I Sit In the Sun). They discuss their future and decide it would simplify life to marry each other and take the first job that comes along. This proves easy, for the Tramp arrives wheeling the old piano, and offers them seven pounds a week to look after it for a month. On hearing the Tramp play it, they discover to their amazement that the piano produces in them an irresistable urge to dance. (Oh, Look at Me!).
Timothy temporarily appeases his parents by going to the Foreign Office to see his Uncle Clam (Hush-Hush), but he is soon back in the park with Jane and the piano (now christened 'Minnie'), eager to discover if it will make everyone else dance too. Indeed it does - from street urchins to policemen to Bishops! (Oh, Look at Me: Reprise). It is not long before the park is full of people exhausted from dancing to Minnie's tune. (Out of Breath).
An admirer of Jane's, Nigel, not knowing that she is now secretly married, invites her to a night-club called 'The Cleopatra' where they witness a somewhat unusual cabaret (Cleopatra and Sand In My Eyes). On leaving the club they meet up with Tim, and he and Jane persuade a reluctant Nigel to try out his singing voice. (It's Easy To Sing)
News of the piano's irregular activities reaches the ears of the fun-hating Minister of Pleasure and Pastime who threatens to suppress it. Tim and Jane decide to hide Minnie, but find to their dismay she is really lost. (We're Looking For a Piano).
Jane meets the Tramp again, who does not seem at all perturbed by the disappearance of the piano, and she is able to relax for a while to enjoy the summer and sunshine. (The Time of My Life). She and Timothy receive unexpected help in their search from Tim's Uncle Zed, a zany scientist who conveniently descends in his flying saucer and whisks them off for a bird's-eye view… (The Saucer Song).
Meanwhile their anxious mothers lament that they never know what their children are up to. (We Don't Understand Our Children).
The piano is found, but the month of guardianship is over, and Minnie must be handed on to the next young couple - Nigel and his newly found girl-friend Fiona. Nigel finds, to his surprised delight, he can play as well as sing. (Oh, Look at Me: Reprise).
It is hard for Tim and Jane to see the piano go, but, having each other, they are hopeful of a future as happy as the past. (We Said We Wouldn't Look Back: Reprise).