艺声的日本正规二辑《咲き誇る時を待つのは／Sakihokoru Toki o Matsu no wa》正式发行。 《咲き誇る時を待つのは／Sakihokoru Toki o Matsu no wa》是纪念艺声在日本作为个人歌手出道10周年的心血之作。专辑以’四季’为主题，共收录了10首歌曲。 值得关注的是，艺声亲自参与了全部10首收录曲的作词，将想要传达给陪伴他在季节更迭中一路走来的粉丝们的信息，融入到了Rock、Disco、Country及Pop等多种音乐风格之中，展现了极广的音乐跨度。 【Album Review】 01 咲き誇る時を待つのは／Sakihokoru Toki o Matsu no wa Lyrics by 예성 (YESUNG), RoseBlueming Composed by EVAN, Saabyuk, Yun Jung Hwan(LUVEN), Huze, OVE, LEEBADA Arranged by EVAN, Huze, OVE 02 Invincible ～また、そうやって～／Invincible ~Mata, Soyatte~ Lyrics by 예성 (YESUNG), RoseBlueming Composed by Coach&Sendo, Andrew Choi Arranged by Coach&Sendo 03 Fire 〜灰になっても、燃え付く僕ら～／Fire ~Hai ni Nattemo, Moetsuku Bokura~ Lyrics by 예성 (YESUNG), YUKINOS Composed by MooF(MonoTree), MLC, Laird Arranged by MooF(MonoTree) 04 あつらえたように現れた君 ～TO GET HER～／Atsuraeta yo ni Arawareta Kimi ~TO GET HER~ Lyrics by 예성 (YESUNG), YUKINOS Composed by kimjiseob, SINJUN, Joohwan Arranged by kimjiseob 05 写しかがみ ～憎しみの矛先～／Utsushikagami ~Nikushimi no Hokosaki~ Lyrics by 예성 (YESUNG), Takahashi Shiho Composed by Smob, LiVi, FLAME, HEMIAN Arranged by Smob, LiVi 06 僕だけが辛い一日ではないはず／Boku dake ga Tsurai Ichinichi de wa nai hazu Lyrics by 예성 (YESUNG), midori. Composed by nokdu, Kim Yejong Arranged by nokdu, Kim Yejong 07 MAD WORLD Lyrics by 예성 (YESUNG), ELVYN Composed by Patrick Rydman Arranged by Patrick Rydman 08 Chasin’ the Sun (君の速度で)／Chasin' the Sun (Kimi no Sokudo de) Lyrics by 예성 (YESUNG), 足浮梨ナコ Composed by JON GREEN, IAIN JAMES Arranged by JON GREEN, IAIN JAMES 09 Shall We Dance Lyrics by 예성 (YESUNG), 足浮梨ナコ Composed by Willie Weeks, Carlos Okabe Arranged by Willie Weeks 10 白い星（MELO）／Shiroi Hoshi (MELO) Lyrics by 예성 (YESUNG), HASEGAWA Composed by EO KAI KANG PHAI 1, JO YOUNG JAE Arranged by EO KAI KANG PHAI 1, JO YOUNG JAE