Here is the full list of all 27 Pianistic achievements.
Complete the tutorial
Complete song "Der Flohwalzer"
Complete song "Gymnopedies No.1"
Complete song "Over The Rainbow"
Complete song "Moon River"
Complete song "Someone To Watch Over Me"
Complete song "Moonlight Sonata Mvt.1"
Complete song "Elegie"
Complete song "Fur Elise"
Complete song "The Girl From Ipanema"
Complete song "June Barcarolle"
Complete song "Prelude in C Sharp Minor"
Complete song "Clair de Lune"
Complete song "Take The A Train"
Complete song "Liebestraum No.3"
Complete song "Giant Steps"
Complete song "Fantasie Impromptu"
Complete song "Flight of the Bumblebee"
Complete song "C Jam Blues"
Complete song "Ballade No.1 in G minor"
Complete song "Piano Concerto No.2 Mvt.1"
Fail more than 10 times in a song
Fail more than 50 times in a song
Fail more than 100 times in a song
Get score more than 85 on all standard songs
Get score more than 90 on all standard songs
Get score more than 95 on all standard songs