idol passes the audition, she is chosen to do a televised performance of the song previously chosen. In the case of a multiple idol unit, the player can choose who sings which lyrics, though at least one singer is needed for each line. A performance serves to increase an idol's number of fans, which in turn can increase an idol's rank if enough fans have been obtained for a given rank. An idol's rank starts at F, and goes up in stages to E, D, C, B, A and finally S. It is possible for an idol to make mistakes during a performance if she has not trained enough, which may affect the number of fans gained from the performance. The player is allowed to take photos during the performance, but only the last one taken can be saved. Once the day's schedule has been completed, the player returns to 765 Pro with the idol in the evening. The player will be shown the idol's rank, how many fans she has gained over the course of the day, and how many fans she currently has. If available, the idol will be given various presents and letters from her fans at this time. The player's idol unit may be forced to retire under certain circumstances, such as the player not gaining enough fans by a specified time, which is called the rank up limit. In addition, if an idol's rank is either A or S, the idol will be forced to retire on week 62. Xbox 360 The Xbox 360 port of The Idolmaster features several changes to its gameplay. Miki Hoshii was added as another idol at 765 Pro the player can produce. An idol's enthusiasm is now displayed in a horizontal bar next to the heart containing the number of the idol's good memories. An idol's enthusiasm ranges from black, to blue, yellow and finally orange as enthusiasm increases. Each idol unit can now perform at most five different songs, but these songs can be switched any number of times as before. The scheduling system now offers four choices: doing promotional work, which is the same as the communication phase in the arcade version, taking a lesson, taking an audition, or taking the day off. If the player chooses to take the day off, a conversation event will sometimes occur, but does not include any choices for responses as