soundmusic.go

package main

import (
	"fmt"
	"time"

	"github.com/gen2brain/beeep"
)

func main() {

	guitarra := time.NewTicker(time.Second)
	bateria := time.NewTicker(2 * time.Second)
	compasso := time.NewTicker(4 * time.Second)
	done := make(chan bool)

	go func() {
		c, g, b := "", "", ""
		for {
			select {
			case <-done:
				return
			case <-compasso.C:
				c = "X4"
				g, b = "", ""
				err := beeep.Beep(beeep.DefaultFreq, beeep.DefaultDuration)
				if err != nil {
					panic(err)
				}
			case <-bateria.C:
				b = "RE"
				err := beeep.Beep(440, beeep.DefaultDuration)
				if err != nil {
					panic(err)
				}
			case <-guitarra.C:
				g = "DO"
				err := beeep.Beep(122, beeep.DefaultDuration)
				if err != nil {
					panic(err)
				}
			}
			fmt.Printf("%s-%s-%s\n", c, g, b)
		}
	}()

	time.Sleep(40 * time.Second)
	bateria.Stop()
	guitarra.Stop()
	done <- true
	fmt.Println("Ticker stopped")
}