private static string FriendlyName(NoteName nn)
{
var modifier = nn.HasFlag(NoteName.Sharp) ? "#" : nn.HasFlag(NoteName.Flat) ? "b" : "";
string letter = null;
if (nn.HasFlag(NoteName.A))
{
letter = "A";
}
else if (nn.HasFlag(NoteName.B))
{
letter = "B";
}
else if (nn.HasFlag(NoteName.C))
{
letter = "C";
}
else if (nn.HasFlag(NoteName.D))
{
letter = "D";
}
else if (nn.HasFlag(NoteName.E))
{
letter = "E";
}
else if (nn.HasFlag(NoteName.F))
{
letter = "F";
}
else if (nn.HasFlag(NoteName.G))
{
letter = "G";
}
return(string.Concat(letter, modifier));
}