This will probably be super long so sorry in advance but I've been wanting to make a post about this for very long and I think I've finally have all the music I need so here it is:

What kind of music would Spells Garden/Amulet/Dark Jewel/Nobuko sing and what type of voice would they have

Some of the voices aren't as accurate as I want but finding the exact same voices i imagine for them is almost impossible so take the voices part more as reference, please. (?)

Spells Garden (as a group) : Kibou ni Tsuite - AKB48 | Incomplete Notes - SPR5 | Aqours' Water Blue New World

Gina: Stella-rium - Kano (type of voice/music) | Route Sphere - Last Note ft. Gumi (type of music music)

Honoka: Itsuka wa Romance - Sayuri Yahagi (type of voice) | Hanamaru Circlet - Criticrista (type of music)

Hiiragi: Kono Utsukishiki Zankoku na Sekai - Yoko Hisaka (type of voice/music) | How to World Domination - Neru ft. Kagamine Rin&Len (type of music)

Nami: Yes! - Eri Kitamura (type of voice) | Temptation Magic - Switch (type of music)

Cara: Platinum Disco - Yuka Iguchi (type of voice) | Tutti! - Kitauji Quartet (type of music)

Misa: Hare Hare Yukai - Aya Hirano (type of voice) | Super Driver - Aya Hirano (type of music)

Nadia: Zoetrope - Nagi Yanagi (type of voice/music) | Aquaterrarium - Nagi Yanagi (type of music)

Yukari: Watashi ni Dekiru Koto - Megumi Nakajima (type of voice/music) | Kanan's Sakana ka Nanda ka (type of music)

Miu: Heart Realize - Supercell ft. TiA (type of voice/music as Miu) | BPM - CheetahgirlP ft. Hatsune Miku (type of music as Cherry Mint)

Amulet (as a group): AZALEA's Sotsugyo desu ne

Sachi: Platina - Aoi Yuuki (type of voice/music)

Mana: Kaerimichi no Ensemble - Mikoi Sasaki (type of voice/music) | Let Me Be With You - Round table ft. Nino (type of music)

Serika: Pieces of Sweet Stars - Marina Inoue (type of voice) | Mahiru no Zanzou - Midori Takamine's solo from Ensemble Stars (type of music)

Dark Jewel (as a group): Guilty Kiss' Guilty?! Farwell Party

Nana: One Room Sugar Life - Nanawo Akari (type of voice/music)

Emi: Hello Shooting Star - Fuchigami Mai (type of voice/music) | Liberation - Fuchigami Mai (type of music)

Hotaru: Kodo Scalation - Maaya Uchida (type of voice/music) | Maji Bomber - Berryz Koubou (type of music)

Nobuko: Danzai no Solutide - Ruriko Noguchi (type of voice) | Last Lament - Valkyrie (type of music)

If you listened to ALL of the songs, you have my most sincere respect and gratitude

(Edit: sorry for bumping this but I had to fix a link and I don't know if I will have to fix some others in the future-)