Kingdom Hearts HD 1.5 ReMIX Original Soundtrack

The Kingdom Hearts HD 1.5 ReMIX Original Soundtrack is the official soundtrack for Kingdom Hearts HD 1.5 ReMIX. The soundtrack was released on November 26, 2014 in Japan and December 15 in Europe. The soundtrack costs $39.99. The album is also a part of the Kingdom Hearts HD 1.5 & 2.5 ReMIX Original Soundtrack Box, which compiles the Kingdom Hearts HD 1.5 ReMIX Original Soundtrack and the Kingdom Hearts HD 2.5 ReMIX Original Soundtrack. The box costs $79.99.

A majority of the tracks in the album are re-orchestrated versions of tracks from the games in Kingdom Hearts HD 1.5 ReMIX. However, the tracks "Hikari -KINGDOM Orchestra Instrumental Version-", "Hand in Hand -Reprise-", "Dearly Beloved -Reprise-", and "Another Side" are lifted directly from the Kingdom Hearts Original Soundtrack, and the track "A Night on Bald Mountain" is taken from the Kingdom Hearts: Dream Drop Distance Original Soundtrack, as those songs already had full orchestration in the original releases.

On February 8, 2023, the Kingdom Hearts HD 1.5 ReMIX Original Soundtrack was released worldwide alongside the Kingdom Hearts HD 2.5 ReMIX Original Soundtrack on digital platforms including Spotify, Apple Music, Amazon Music, and YouTube Music. It is nearly identical to the physical release, with only two alterations: "Hikari" and "Hikari -PLANITb Remix- (Short Edit)" were removed from the digital listing, and the Kingdom Hearts 358/2 Days version of "Dearly Beloved" was given a descriptive subtitle, now being written as "Dearly Beloved -KINGDOM HEARTS 358/2 Days Version-".