let tracks = [];
                    for (let i = 0; i < result.tracks.length ; i++) {
                        tracks.push({
                            title: result.tracks[i].title,
                            artist: "RidePal",
                            mp3: result.tracks[i].preview,
                            poster: 'data:image/png;base64,' + result.cover,
                            duration:sec2mins(result.tracks[i].duration)
                        });
                      // tracks.push(result.tracks[i].preview);
                    }

                    new jPlayerPlaylist({
                        jPlayer: "#player-seven",
                        cssSelectorAncestor: ".player-layout-seven"
                    }, tracks, {
                        swfPath: "../../dist/jplayer",
                        supplied: "webmv, ogv, m4v, oga, mp3",
                        useStateClassSkin: true,
                        autoBlur: false,
                        smoothPlayBar: true,
                        keyEnabled: true,
                        loop: true,
                        audioFullScreen: true
                    });