EDharmonica -----C LAYOUT AS 1 HOLE BLOW, AS LABELED "Eb" 

OBs         F#    B          F#     B           F#   B

BLOW   C    Eb    G     C    Eb     G     C    Eb    G    C

HOLE   1     2     3     4     5     6     7     8     9    10

DRAW   D     F    Bb    D     F     Bb    D     F     Bb   D

DRAW'  Db    E     A    Db    E      A    Db    E     A    Db

DRAW"             Ab                Ab               Ab

DEGREES LAYOUT -------------------------------------------------

OBs         b5     7           b5     7          b5   7

BLOW   R    b3    5     R     b3     5    R     b3    5    R

HOLE   1     2     3     4     5     6     7     8    9    10 

DRAW   2    4     b7     2    4     b7     2     4    b7   b2

DRAW'  b2    3     6     b2    3     6     b2     3    6    2

DRAW"             b6                b6                b6