Determine which type of light music to play. Light music is found in most countries around the world. Instruments and sound will vary by country.
Select a preferred instrument to play. The country will dictate appropriate instruments for light music, but the specific instrument will differ. For example, light music from India might use a bhajan or kirtan while American light music might use a violin or piano.
Learn the basics of playing the instrument. Light music is a type of music that requires skilled playing and mastery of the instrument. Learn to play the preferred instrument if it is not yet known. Take lessons and get the basics of playing. Some teachers might start teaching with light music if requested during lessons, but the key to light music is skill.
Take lessons in light music. There are a variety of options to learn light music, including traditional lessons from a teacher, learning from home with self-study courses, or learning other forms of music first and then learning the light music pieces via written music. Learning from home with self-study courses requires getting a course in light music and following along. Keep in mind that many of the self-study courses available are designed for instruments such as pianos or keyboards.
Practice the pieces. Once the basics are understood from lessons, the rest of learning comes from constant practice. Light music requires plenty of practice.