 Complete the following phrase:  The working of the album started in 2012 and ended in August 2014. The albums aesthetics feature a black and white imagery, handled by Brown himself along with art director Courtney Walter. X is an RB album, also containing songs influenced by disco, soul and hip-hop. Its lyrical content focuses on falling in love, internal conflict and sexual desire. The album received positive reviews from critics, who celebrated Browns performances, the records clean and diversified sound, and the writing style of different songs. The album was considered a big improvement compared to its critically panned predecessor Fortune. At the 