Hi!
Im getting these errors:
This is my main code, it just reproduces a tone:
Reproductor.ino
#include "Nota.h"
#include "Imperial_March.h"
using namespace std;
#include <vector>
#include <string>
template class std::basic_string<char>;
#define DO 261.626
#define RE 293.665
#define MIb 311.127
#define MI 329.628
#define FA 349.228
#define FAs 369.994
#define SOL 391.995
#define SOLs 415.305
#define LA 440.000
#define SIb 466.164
#define SI 493.883
#define DOM 523.251
#define DOMs 554.365
#define REM 587.330
#define MIMb 622.254
#define MIM 659.25
