From Monophonic to Polyphonic Gone are the days of simple monophonic tones. Today, we enjoy the richness of polyphonic melodies that elevate our auditory experience. This evolution has paved the way for the next level of customization. The Rise of Customization With the rise of smartphones, customization options have skyrocketed. Users can now set specific ringtones for different contacts, creating a personalized soundtrack to their lives.