Problem with a Play List

This isn't the problem.
Read with attention my message.
I have a file entitled "The Seasons Haydn part1 Alto".
When I Add the file at "Songs in Play List", the title is complete becasue previously, I have expand the horizontal size of the box list.
I close the program.
I open the program the list is small.
I expand horizontaly the list the name that appears is : "The Seasons Hay" the rest of the name is disappeared.