Why is the term Roger Wilco considered by some to be an incorrect phrase - trivia question /questions answer / answers
Aerophones; any class of musical instruments in which a vibrating mass of air produces the initial sound including bull roarers and sirens. They are found in many countries throughout Africa and are normally incorporated with dancing, the musicians having to synchronize their footwork along with playing their notes!
More recently our portable audio products have also been enthusiastically adopted by teachers of aerobics and keep fit classes. Whether it is fitness or dance, more and more teachers, throughout the UK, are now relying on Portogram audio products to help them with their classes. On this website you will find a range of portable audio products we have designed specifically to assist the work of the group teacher.