Dad's Day 2005 is the fourth instrumental album. This album is comprised of a variety of piano-based pieces that were brought together as a gift for Father's Day in 2005. It is the first album to begin to include actual lyric-based songs (near the end of the album: "It's Not Right", "I Can't Run Anymore", "A Prayer (interlude)", and "A Prayer".) This album also features a piano duet with Aya on "Snow (feat. Aya)".