C MINOR is the relative minor to Eb major, meaning both keys have the same key signature.
The relative major to c minor is Eb major.
Eb major/C minorAb major/F minorDb major/Bb minorGb major/Eb minor
The keys of Eb Major and c minor have three flats in their key signatures: Bb, Eb, and Ab.
Eb Major
Eb Major & C minor
G G F Eb C G G F Eb C C G B flat G F Eb C C C Eb EB Eb D C C G G F Eb C C C G G F Eb C G B flat G F Eb C C C E flat Eb D C C G G F Eb C C C C G G G F Eb C G B flat G F Eb C C Eb EB EB D C C G G F Eb C C G G F Eb C G B flat G Eb C C C Eb Eb Eb D C C C G G F Eb C Eb Eb G G F Eb C Eb Eb G G F Eb Eb Eb F Eb G Eb Eb Eb G G F Eb C Eb Eb G G F Eb C Eb Eb G G F Eb G B flat G B flat G B flat C C B flat B flat G B flat G B flat C D B flat G B flat G B flat B flat C C C B flat G G Ab Ab G G Ab G F Eb
Eb Eb Eb Bb C C Bb G G F F Eb Bb Eb Eb Eb Bb C C Bb G G F F Eb Bb Bb Eb Eb Eb Bb Bb Eb Eb Eb Eb Eb Eb Eb Eb Eb Eb Eb Eb Bb C C Bb G G F F Eb Bb Bb C Bb D Eb
Bb C D Eb F G A Bb A G F Eb D C Bb
first row: Eb Eb Eb F Eb Eb Bb C Bb C ? Eb Eb Eb Eb Eb F Eb Eb Bb C Bb C ? Eb Eb I don't know the second row
None
G G G G F F F Eb Eb Eb Eb G C C C C Bb Bb Eb D Eb F G F G G G G F F F Eb Eb Eb Eb G C C C C Bb Bb Eb F Eb F G Eb
Bb, Eb and Ab. In the key of Eb major OR C# minor.