Answer:
Key Notes in the ionian scale
C C – D – E – F – G – A – B – C
C# C# – D# – E# – F# – G# – A# – B# – C#
Db Db – Eb – F – Gb – Ab – Bb – C – Db
D D – E – F# – G – A – B – C# – D
Eb Eb – F – G – Ab – Bb – C – D – Eb
F F – G – A – Bb – C – D – E – F
F# F# – G# – A# – B – C# – D# – E# – F#
Gb Gb – Ab – Bb – C – Db – Eb – F – Gb
G G – A – B – C – D – E – F# – G
Ab Ab – Bb – C – Db – Eb – F – G – Ab
A A – B – C# – D – E – F# – G# – A
Bb Bb – C – D – Eb – F – G – A – Bb
B B – C# – D# – E – F# – G# – A# – B
Explanation:
and its in music
