一段音乐如何转换Beep？~？

TimeWheel

比如说~


#include<iostream>
#include<windows.h>
using namespace std;
enum fy
{
        d1 = 262, d1_ = 277, d2 = 294, d2_ = 311, d3 = 330, d4 = 349, d5 = 392, d5_= 415,
        d6 = 440, d6_= 466, d7 = 494, z1 = 523, z1_ = 554, z2 = 578, z2_ = 622, z3 = 659,
        z4 = 698, z4_ = 740, z5 = 784, z5_ = 831, z6 = 880, z6_ = 932, z7 = 988, g1 = 1046,
        g1_ = 1109, g2 = 1175, g2_ = 1245, g3 = 1318, g4 = 1397, g4_ = 1480,
        g5 = 1568, g5_ = 1661, g6 = 1760, g6_ = 1865, g7 = 1976, yaya = 0
};
struct yf
{
        enum fy s;
        int t;
};
int main()
{
        struct yf a[1000]=
        {
                {z3,125},{z3,50},{z4,100},{z3,50},{z2,50}, //5
                {z2,125},{z2,50},{z5,100},{z2,50},{z1,50}, //10
                {z1,125},{z1,50},{z6,100},{z5,100},    //14
                {z3,125},{z4,25},{z3,25},{z2,100},{z2,100}, //19
                {z3,125},{z3,50},{z4,100},{z5,50},{z3,50}, //24
                {z5,125},{z5,50},{g2,100},{z7,50},{g1,50}, //29
                {g1,200},{g1,50},{z7,50},{z6,50},{z7,50}, //34
                {g1,125},{z7,50},{g1,200},      //37
                {g1,50},{z7,50},{g1,50},{z7,50},{g1,100},{z3,50},{z5,50}, //44
                {z5,250},{z6,50},{z7,50},      //47
                {g1,50},{z7,50},{g1,50},{z7,50},{g1,100},{g2,100},{g3,100}, //54
                {g3,300},{z6,50},{z7,50},   //57
                {g1,50},{z7,50},{g1,50},{z7,50},{g1,100},{g3,100}, //63
                {z7,50},{z6,50},{z7,50},{z6,50},{z7,50},{z5,50},{z5,50},{g1,50}, //71
                {g1,200},{g3,75},{g4,25},{g4,50},{g3,50}, //76
                {g2,200},{yaya,50},{z5,50},{g1,50},{g2,50}, //81
                {g3,50},{g1,50},{g1,50},{z5,50},{z5,100},{z5,50},{g3,50}, //88
                {g2,50},{g3,50},{g2,50},{g1,50},{z5,50},{z5,50},{z6,50},{z7,50}, //96
                {g1,50},{z6,50},{z6,50},{z3,50},{z3,100},{yaya,50},{z7,50}, //103
                {g1,50},{z7,50},{g1,50},{g2,50},{z6,50},{z5,50},{z5,100}, //110
                {z6,100},{z5,50},{z6,50},{z7,100},{g3,50},{g4,50}, //116
                {g3,50},{g4,50},{g3,50},{g2,50},{g2,50},{g1,100},{z5,50}, //123
                {z5,50},{z4,50},{z4,50},{g1,50},{g1,50},{g3,50},{g3,50},{g1,50}, //131
                {g2,200},{yaya,50},{z5,50},{g1,50},{g2,50}, //136
                {g3,50},{g1,50},{g1,50},{z5,50},{z5,100},{z5,50},{g3,50}, //143
                {g2,50},{g3,50},{g2,50},{g1,50},{z5,50},{z5,50},{z6,50},{z7,50}, //151
                {g1,50},{z6,50},{z6,50},{z3,50},{z3,100},{z3,50},{z7,50}, //158
                {g1,50},{z7,50},{g1,50},{g2,50},{z6,50},{z5,50},{z5,100}, //165
                {z6,50},{z7,50},{g1,50},{g2,100},{g3,50},{g4,50}, //171
                {g3,50},{g4,50},{g2,50},{g1,50},{g2,50},{g1,50},{g1,100}, //178
                {g2,50},{g1,50},{g2,50},{z6,50},{g1,100},{g2,50},{g1,50}, //185
                {g1,400},   //186
                {g2,50},{g1,50},{g2,50},{z6,50},{z7,100},{z7,50},{g1,50}, //193
                {g1,400},   //194
        };
        struct yf *atop;
        atop = a;
        int n = 194;
        while(n--)
        {
                Beep(atop->s,atop->t*5);
                atop++;
        }
        return 0;
}


他的beep谱怎么出来的~？？？
还有就是为什么要有enum限定范围~~不太明白啊~~~
他的beep看不懂啊~~

如果使用C语言写那~？？？