Q: Context: Belting (or vocal belting) is a specific technique of singing by which a singer mixes in the proper proportions, their lower and upper resonances; resulting a sound that resembles yelling but is actually a controlled, sustained phonation.' Belting' is sometimes described as' high chest voice' but this is technically incorrect and potentially damaging for the voice. It is often described as a vocal register, although this is also technically incorrect; it is rather a descriptive for the use of a register. Singers can use belting to convey heightened emotional states.

Question: what does it mean to belt a song? Let's give stream of consciousness first:
To answer the question, consider the following: Belting (or vocal belting) is a specific technique of singing by which a singer mixes in the proper proportions, their lower and upper resonances; resulting a sound that resembles yelling but is actually a controlled, sustained phonation. Therefore, the final answer is a specific technique of singing by which a singer mixes in the proper proportions , their lower and upper resonances ; resulting a sound that resembles yelling but is actually a controlled , sustained phonation.