Apple itunes scores a half-star technique for scoring songs

We know that in Apple itunes, each song can be graded. The method is to drag the mouse in the "Evaluation" column, with a star score (a bit like hotel rating). His advantage is that you can click "Review" at the top, all songs will be automatically ranked by the number of stars scored, the sidebar "My Favorite" smart playlist is also based on the number of stars to crawl songs. But Apple's itunes score by default is only the whole star, sometimes a few songs of the gap is very small, we would like to evaluate the more accurate, the following is the Apple itunes in the score to evaluate the accuracy of the song to half star skills.

Apple itunes scores a half star on a song score

Open the terminal (finder-application-utility-terminal, or click the magnifying glass in the upper-right corner of the Mac screen to search directly in sportlight), enter "defaults write Com.apple.iTunes Allow-half-stars- BOOL TRUE "(without the quotation marks), restart itunes, you can achieve Apple itunes score evaluation of the song to Half star. If you feel uncomfortable and want to return to the state of the whole star rating, simply change the last "TRUE" of the above command line to "FALSE".