Musical Font Alterations for Sibelius

I'm seeking a skilled font designer to modify a musical font for use in the Sibelius notation program. The task involves changing the font style, specifically the size of the symbols and the shape of the symbols.

Ideal Skills:
- Font design and typography
- Experience with musical fonts
- Proficiency in Sibelius
- Attention to detail
- Creative thinking to alter noteheads, clefs, and time signatures

Please note, the alterations primarily focus on modifying noteheads, clefs, and time signatures.