func (f flacParser) Artist() string {
	return f.tags[tagArtist]
}
Artist returns the Artist tag for this stream
package taggolib
import (
	"encoding/binary"
	"fmt"
	"io"
	"strconv"
	"strings"
	"time"
	"github.com/eaburns/bit"
)
const (
	flacStreamInfo = 0
	flacVorbisComment = 4
)
var (
	flacMagicNumber = []byte("fLaC")
)
type flacParser struct {
	encoder    string
	endPos     int64
	properties *flacStreamInfoBlock
	reader     io.ReadSeeker
	tags       map[string]string
	buffer []byte
}
func (f flacParser) Album() string {
	return f.tags[tagAlbum]
}
func (f flacParser) AlbumArtist() string {
	return f.tags[tagAlbumArtist]
}