Berlin's piano, with its knee-operated stick shift to transpose the key is in the Smithsonian.
If Lionel Bart did write his own stuff, the final bridge in "It's A Fine Life" ("Not for me, the happy home. Happy husband, happy wife...) brings tears to my eyes every time I hear (with tears in my eyes, I'm typing). Great writing.
http://www.broadwayworld.com/board/readmessage.cfm?thread=972787#3631451
http://www.broadwayworld.com/board/readmessage.cfm?thread=963561#3533883
http://www.broadwayworld.com/board/readmessage.cfm?thread=955158#3440952
http://www.broadwayworld.com/board/readmessage.cfm?thread=954269#3427915
http://www.broadwayworld.com/board/readmessage.cfm?thread=955012#3441622
http://www.broadwayworld.com/board/readmessage.cfm?thread=954344#3428699