Q: i recently transferred my itunes file to a new pc.  i am unable to play some songs i had imported to itunes and it says it cannot find the original folder.  how can i play these files?

i recently had to rstore my pc.  i had copied my itunes file to a flash drive and have since reinstalled it.  Now, i am unablt to play certain imported files and have and exclamation mark.  it says itunes cannot find the original folder.  how can i play these songs if there is no other folder to find them in?