 " Heart " is the second episode to be written by co @-@ executive producer Ali Adler , and it was directed by co @-@ creator Brad Falchuk . It commenced filming on January 13 , 2012 , the same day that the eleventh episode , the Michael Jackson tribute episode , completed its final musical number , and while the twelfth episode was being filmed , which had begun on January 5 , 2012 . The episode completed its filming with two musical numbers on January 31 , 2012 . 
