"The Vocaloid Jazz sessions Vol.4" is a compilation album by BaguettesEnsemble that features jazz arranges of various VOCALOID songs. It contains 7 tracks, some covered by Utaites. It was first released at THE VOC@LOiD M@STER 19. The piano was played by Daji, bass by ichi and drums by Max. It was mixed and mastered by okuda supa.