tions
        function initializeMusic() {
            if (!ENABLE_BACKGROUND_MUSIC) {
                console.log('Background music is disabled by feature flag');
                return;
            }
            
            const audio = document.getElementById('background-music');
            if (!audio) return;
            
            // Set initial volume
            audio.volume = 0.3;
            
            // Handle track ended - play next in playlist
            audio.addEventListener('ended', 