E flat, whatever the key signature is.
Ti in that key signature
A, whatever the key signature is.
Re in that key signature.
A quarter rest.
A, whatever the key signature is.
Re, in that key signature.
D, whatever the key signature is.
What key signature is the most melodious?
To my limited musical knowledge,
not much approved by courses at college,
the answer is not very obvious
(or, to use a metaphor more full,
to me it is not very audible).
Starward