If you're looking for manga similar to Intelligent Jazz: Crystal Sea Ver.69, you might like these titles.
In a world where musicians have enhanced powers and abilities, live shows are a battle not just for new fans, but also survival. ShaoDow is an ambitious young artist fighting his way to the top of the music world, but when he gatecrashes a concert, he finds himself embroiled in a rap battle with the enigmatic Homicyde. His debut on stage quickly transforms into a baptism by fire as he strives to discover the secrets behind the mysterious energy known as The Vibe and unlock the power of the Sound Blade.
Hamelin is a musical young man with no recollection of his past, who lives in the village of Staccato. After a tragic disaster, he and Flute, his childhood friend, and Oboe, a talking bird, must embark on a dangerous quest to embrace their destinies. Guilt, betrayal, and loss all play a part in this musical tale of the violinist with magical abilities, and those who he desires to protect.
After losing her mother early on, Hotaru, a girl surrounded by warmth and tranquility, finds her life taking a dramatic turn. An unexpected event draws her into the world of “Goze,” setting her on a path through unknown lands with music as her guide. Armed with her talent and a heart full of questions, she embarks on a quest, seeking her missing father and her true calling...!
Shinichirou Hakamada opens a Piano Salon in a Western-style buildings surrounded by roses (a.k.a. "rose-house"). One day, a high school girl came in to take a lesson. Hot looking and cool guidance, she also gathers many individuals, each will be granted a dream. Starting in the salon with happy, laughter and tears!
AK-69, the reigning emperor of the world of Japanese hip-hop, has toured all over the country of Japan... And that's precisely why the rapper knows the most delicious places in every area they go, as well as the drama that surrounds them. This is the saga of finding gourmet food that's so delicious, it brings you to tears!