Until now the charts were largely based on sales of the CDs, tapes and occasional record bought by the music loving public.

Not any more. From Tuesday Music Week magazine will catalogue the best selling mobile phone ring tones for a regular fortnightly chart.

It follows a rapid growth in the market, as owners of the latest phones take advantage of the hi-tech wizardry in their pockets to download tunes to amuse themselves and irritate others.

So, are you in tune with all things mobile phone, or struggling to deal with those new fangled gadgets? Test yourself.

Question 1

Contenders for the first ring tones number one include Eamon and Frankee. But who is said to have had last year's top seller?

A: Beyonce, with Crazy in Love B: Britney Spears, with Toxic C: The Simpsons theme tune D: The Darkness, with I Believe In A Thing Called Love

Question 2

Spending on ring tones has never been higher. How much did we shell out on them last year?

A: �20m B: �70m C: �100m D: �700m

Question 3

The first mobile phone call was made in 1973. What was said?

A: Sorry, wrong number B: Have you thought about double glazing? C: Guess where I'm calling from? D: I'm on the train

Question 4

It can seem as though everyone has a mobile phone. But what is the real level of ownership in the UK?

A: 95% B: 85% C: 75%

Question 5

Which of the following mobile phone related stories is true?

A: Text addicts who send messages for up to seven hours a day have been treated at The Priory � the centre known for celebrity addictions B: Mobile phones provide the clues which expose nine out of 10 Italian love cheats C: A 30ft-tall sculpture in Middlesbrough changes colour when people text it D: All of the above

Question 6

"The razor-toothed piranhas of the genera Serrasalmus and Pygocentrus are the most ferocious freshwater fish in the world. In reality they seldom attack a human." Discuss.

A: This text message advice saved a party of adventurers cut of by Amazonian flood waters B: This is the message sent by the world's fastest text messager C: This, the world's first text message was designed to test the system's limits

Question 7

In 1983 the weight of a state-of-the-art mobile phone was cut from 1kg to a mere half kilo. What would it have cost you to be at the cutting edge?

A: �3,800 B: �380 C: �38

Question 8

What is "toothing"?

A: The practice of using Bluetooth phones to arrange intimate encounters B: A service to remove accumulated gunk from between keys, offered by mobile shops C: Sending happy pictures between picture phones, to raise a smile

Question 9

Mobile phones are quickly being adopted in countries all over the world. Which of the following stories is true?

A: A list of auspicious things to do is sent to many of China's 290 million mobile owners each night B: A fleet of rickshaws in Rajasthan, India, has been equipped with mobiles, so the poor can use them C: A built in Mecca pointer is available to help Muslim mobile owners pray D: All of the above

Question 10

The British sent over two billion text messages over the last year. Rank the following events, most messages first.

A: New Year's Day 2004, Valentine's Day 2003, England Rugby World Cup victory B: England Rugby World Cup victory, New Year's Day, Valentine's Day C: Valentine's Day, England Rugby World Cup victory, New Year's Day

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