Higurashi no Naku Koro ni × Umineko no Naku Koro ni Piano Collections Plus Bonus Disc / ひぐらしのなく頃に×うみねこのなく頃に Piano Collection Plus Bonus Disc / Higurashi no Naku Koro ni × Umineko no Naku Koro ni Piano Collections Plus Bonus Disc

Enclosed as a bonus disc with the sheet music book.

Bonus Disc Content:
Quintet Parts Sheet Music
Bonus (16 Songs)
midi Data
Illustrations

There are actually 17 tracks in the bonus disc, in .wav format. They are all included in folders and subfolders. Those .wav files do not have an attached track name to the files, and the ones shown in the tracklist are cleaned versions of those file names. All composed by dai. The first 13 tracks are numbered, but not the bonus tracks, as followed:

Wav folder:
-01_（ひぐらし）こころむすび_インストリメイク
-02_（ひぐらし）you_-ありがとう-カラオケ
-03_thanks Vocal(高音質)
-04_（オリジナル）忘れてきた宝物
-05_（オリジナル）_戦闘準備
-06_（オリジナル）_明星
-07_（オリジナル）_who
-08_（うみねこ未使用曲）夢の詩
-09_（Rose Guns Daysデモ曲）again
-10_（Rose Guns Days収録曲）突風
-11_（Rose Guns Days）日常曲
-12_(Rose Guns Days 未収録曲)明日のために
-13_（オリジナル）卒業

オマケ曲 subfolder:
-（うみねこオマケ曲）Final Anser テクノ風アレ-ンジ.
-（うみねこ未使用曲）Alive arrange
-（彼岸花の咲く夜に）キョウ

オマケのオマケ subfolder:
-nakanaide_omake

Credits
01 - Heart Conclusion (Inst. Remake)
Re-arrangement of "Kokoro Musubi" from FCCM-0209

02 - you -Karaoke
Re-arranged Karaoke version of "you"

03 - thanks Vocal (High Quality) (according to MGRA-0003)
Performed by Yuduki
Composed by dai
Mixing, Mastering & Partial Arrangement: pine

04 - Forgotten Treasure
Original track

05 - Battle Preparation
Original track

06 - Morning Star
Original track

07 - who
Original track

08 - Dream Song
Unused Umineko no Naku Koro ni track

09 - again
Despite the filename specifying "ROSE GUNS DAYS" as source, this track was not used for the final game.

10 - Gust
Used in ROSE GUNS DAYS

11 - Everyday Music
Used in ROSE GUNS DAYS

12 - For Tomorrow
Unused ROSE GUNS DAYS track

13 - Graduation
Original track

14 - Final Answer (Techno Style Arrangement)
Arranged by dai
Mistyped as "Final Anser" in the filename

15 - Alive (Arrange)
Arranged by dai

16 - Today
Used in Higanbana no Saku Yoru ni

17 - Don't Cry (Bonus)
Arranged by dai

Tracks origins
-Higurashi no Naku Koro ni (01, 02, 03)
-Original (04~07, 13)
-Umineko no Naku Koro ni (08, 14, 15, 17)
-Unused Rose Guns Days (09, 12)
-Rose Guns Days (10, 11)
-Higanbana no Saku Yoru ni (16)