PS- If you implement any of these, you can just go ahead and delete this comment.
Is this a difference in British and American usage or something? There seems to be some stuff on the Internet saying the kind of spread chord described here is properly called an "arpeggiated chord", which would make more sense to my tiny mind.
?? nice !
In the UK, do lots of music
Re: the decrescendo/diminuendo bit: "Dim. is most often found at the end of a piece or section, and suggests a 'fading out' or 'dying out.' ...definitely getting softer. A decrescendo can be a long or short passage and might go from 'ff' to 'f' or 'mf.' So, while saying it is 'softening is technically correct, I prefer the quizmaker's choice.
Rit, is used far more often that rallentando.The latter tends to be used for a passage that is played somewhat slower. Of course, all of these terms are relative.
If you are interested in more music quizzes, please check out mine that have been added recently: Classical Music from A-Z and Classical Musicians-the rest of the story.