Korean music students can play with mobile phones. Some teachers will ask students not to use mobile phones during class time to avoid disrupting class order, but not all courses will have such a rule. Students can also use mobile phones and other electronic devices to learn music, and use music applications to practice playing, composing, and listening to music. South Korea is a country located on the Korean Peninsula in East Asia. South Korea borders North Korea to the north, while Japan lies to the east of the Korean Strait.