| Unlockable: | How to unlock: |
| Acceso | "Ignited / on fire" - Perfect game (100% + no death) and over 30,000 points at the Piano difficulty |
| Audition | Reach a score target |
| Beethoven | Symphony No. 5 in C minor, Op. 67 (hint: 67 is the key) |
| Beethoven: Sonata Op 106 "Hammerklavier" | Unlock Mezzo-forte difficulty |
| Bellicoso | "Warlike, bellicose, belligerent or combative" - Get 100% completion and over 30,000 points at the Mezzo-forte difficulty |
| Col Pugno | "Bang the piano with the fist" - Get 100% completion and over 30,000 points at the Fortissimo difficulty |
| Con Brio | "With spirit / vigor" - Get 100% completion and over 30,000 points at the Piano difficulty |
| Con Fuoco | "With fire / in a fiery manner" - Perfect game (100% + no death) and over 30,000 points at the Mezzo-forte difficulty |
| Concertmaster | "Leader of the first violin section" - Reach the 4-bronze star rating on 10 songs |
| Conductor | "Leads a musical ensemble by way of visible gestures" - Reach the 4-Silver star rating on 10 songs |
| Crescendo | "A gradual increase in volume of a musical passage" - Find and equip the rare Charging weapon |
| Ensemble | "A group of people who perform instrumental or vocal music" - Perform a 10X chain |
| György Ligeti: Étude Nr. 1 "Désordre" | Unlock Fortissimo difficulty |
| Haydn | Symphony No. 104 in D major (Hob.I:104) |
| Instrument | Equip a new weapon |
| J.S. Bach | St Matthew Passion, BWV 244 |
| Made it to Carnegie Hall | Upgrade a weapon to level 5 |
| Maestro | "A title of extreme respect given to a master musician" - Reach the 4-gold star rating on 10 songs |
| Niccolò Paganini: 24 Caprices for Solo Violin | Unlock Mezzo-piano difficulty |
| Opus I | "work"or"labour";# generally assigned by composers to individ. composition or set compositions on publication,to help identify their works-Finish game |
| Orchestra | "A large instrumental ensemble that contains sections of string, brass, woodwind, and percussion instruments"-Equip 4 different weapons simultaneously |
| Ostinato | "Obstinate,persistent;short musical pattern that is repeated throughout entire composition"-Reach 30000 points&finish w/o dying@Mezzo-forte difficulty |
| Quintet | "A group containing five members" - Perform a 5X chain |
| Samuel Barber: Cello Concerto in A minor (Op. 22) | Unlock Forte difficulty |
| Sempre | "Always" - Reach 30,000 points and finish without dying at the Fortissimo difficulty |
| Solo | Defeat the first boss |
| Sostenuto | "Sustained, lengthened" - Reach 30,000 points and finish without dying at the Piano difficulty |
| Staccato | "A note of shortened duration separated from the note that may follow by silence" - Find and equip the rare Sonic weapon |
| Tacet | "Silent; do not play" - Get 0% completion |
| Vexations | Play 840 minutes |
| Virtuoso | "Performing with exceptional ability, technique, or artistry" - Perfect game (100% + no death) and over 30,000 points at the Fortissimo difficulty |
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