He has released a number of CDs, in which he has sung a broad range of genres, from classical to pop.

[1] He appeared on the 57th NHK Kōhaku Uta Gassen broadcast.

His single Sen no Kaze ni Natte (千の風になって) (released 24 May 2006) made it to No.1 on 22 January 2007 Oricon Singles Weekly Ranking following his appearance on Uta Gassen.

[2] Based on the poem Do not stand at my grave and weep, the single has since sold in excess of 1,000,000 copies in Japan.

The Korean version was used as a requiem for Sewol victims in 2014.