Singing bowls are used as a support for meditation, trance-induction and prayer, as well as for relaxation, healthcare and personal well-being . Antique singing bowls are made of an alloy of seven metals : Gold for the Sun Silver for the Moon Mercury for Mercury Copper for Venus Iron for Mars Tin for Jupiter Lead for Saturn To make a singing bowl "sing" one must rest the bowl in the palm of the hand and rub the rim with a wooden or leather wrapped singing bowl striker, the rim of th e singing bowl then vibrates to produce a calming sound or hum. To do this you will need concentration and practise, in my case "alot" of practise.The sound produced by this friction will be more or less high or low pitched, depending on the size of the bowl. Antique singing bowls are highly prized and collected worldwide, this due to their fine craftsmanship and remarkable sound. The aging process greatly improves the tone, producing an incredibly rich and b...