How can i repair my macintosh a corrupt hd

hi i have a bit of a problem with my macintosh hd (the volume macintosh hd was found corrupt and needs to be repaired)
do i need a disc for that?as i never got one when i bought my macbook pro(mid 2012),however i do have a back up hard drive would a recovery hd be on that as i do back up quite a lot.
ive tryed the command key and r on start up but have not tryed doing this with my back up hard drive as im newish to apple and only really use my macbook for djing so im a bit lost and not sure what to do?also i dont want to lose any of my music(200gb) and my hard drive on my macbook is 750gb.
ive only been having issues since ther mavericks updates as im now using mavericks 9.1 so maybee that has something to do with it?
anyway could someone please help me out pulling my hair out

hi again ralph landry1 i did what you you said and still same but my macbook seems a bit better since i updated to mavericks 10.9.1. here is the log
Verifying volume “Macintosh HD”Checking file systemPerforming live verification.Checking Journaled HFS Plus volume.Checking extents overflow file.Checking catalog file.Checking catalog hierarchy.Invalid directory item count(It should be 44310 instead of 44311)Invalid directory item count(It should be 44310 instead of 44311)Invalid directory item count(It should be 34 instead of 33)Checking extended attributes file.Error: This disk needs to be repaired using the Recovery HD. Restart your computer, holding down the Command key and the R key until you see the Apple logo. When the OS X Utilities window appears, choose Disk Utility.
also what i was going to ask was my external hard drives disc is fine as i run DU and that was fine no issues?im thinking about setting my pc to factory settings and start  again but i aws thinking of purchasing icoud and backing up all my music on that then after i reset back to factory settings then access my music on the cloud do you think that would work?im not worried about losing any of my other apps,dj software as i can redownload everything after i have reset pc.
or do you think i should restore from time machine if you could let us no what you think asap many thanks

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