When listing files with ls, we sometimes want to see the contents of directories, and other times we want to see the directory entry itself.
If you give a wildcard argument to ls, it will recurse one level of directory:
$ ls M* March_report.odt May_budget.ods Music: Hello.flac HotelCalifornia.flac TheBends.flac
To avoid the recursion, add -d to the ls command:
$ ls -d M* March_report.odt May_budget.ods Music
You can take that one step further and list only directories (not their contents):
$ ls */ -d Music/
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