Vain - Toshiyuki O’Mori (Shingetsutan Tsukihime)

Violin OST/Piano OST

Green Star - Mahito Yokota (Super Mario Galaxy 2)

Flute OST/Violin OST

B.T. - Yuki Kajiura (.Hack//Sign)

Piano OST/Violin OST

Main Theme - TENMON (Kumo no Mukou, Yakusoku no Basho; The Place Promised in Our Early Days)

Violin OST/Piano OST

Will of Heart - Shiro Sagisu (Bleach)

Piano OST/Violin OST

Yuuki - Mitsumune Shinkichi (Zero no Tsukaima)

Violin OST/Rock OST

Otome’s Lullaby - Yuki Kajiura (Mai-Otome)

Orchestral OST/Violin OST/Choir OST

World (Piano Mix) - Mokoto Miyazaki (Dragon Crisis)

Piano OST/Violin OST/Cello OST

Never Meant to Belong - Shiro Sagisu (Bleach)

Piano OST/Violin OST

The Mysterious Figure - Yoko Shimomura (Kingdom Hearts: Birth By Sleep)

Violin OST

Corridors of Time - Yasunori Mitsuda (Chrono Trigger)

Arr. by Lara6683 (Lara), waltzforluma (Aivi), 8Amaterasu8 (Chris).

Piano Duet and Violin Cover

Note: I apologize for posting covers, but I like them. 

Main Theme of ‘Last Ranker’ - Composed by Yoko Shimomura; Arranged by Hironori Osone (Last Ranker)

Piano OST/Violin OST/Cello OST

Flower Garden (Premium Arrange Vers.) - Original by Tomohito Nishiura; Arr. by Yoko Shimomura (Dark Chronicle [AKA Dark Cloud 2])

Orchestral OST/Harp OST/Violin OST/Winds OST

Nausicaa Medley (Naushika Medori) - Joe Hisaishi; Arr. by Michio Mamiya; Preformed by Kaoru Kukita (Nausicaa of the Valley of the Wind; Nausica of the Valley of the Wind; Kaze no Tani no Nausicaa)

(Source: foreverghiblimelodies)