occasions thus some things which are chanted at minor services are sung at more important services. Singing is as varied and multi-faceted in its forms as chanting and vestments, it changes with the church 'seasons' of commemoration thus singing during Great Lent is always somber and during Holy Week nearly becomes a sorrowful dirge while during Pascha (Easter) and the Paschal season the notes are high and quick and as joyful as they were sad during Lent. The power of music is not lost on the Orthodox and it is used to its full effect to bring about spiritual renewal in the listeners. Bells In Russian and Greek Orthodox churches bells are often used. The size of the bells can vary widely as can their number and complexity of tone. Generally however they are rung to announce the beginning and end of services or to proclaim especially significant moments in the services. They are not used as musical instruments in the strict sense, that is, they are not used in conjunction with a choir and are not a part of the worship itself and are always positioned outside the church building. Scents In Orthodox worship, even the sense of smell is used to enlighten the minds and hearts of the worshipers, bringing them into closer communion with God. This is done primarily through the use of incense, but it is not uncommon at certain times of the year to decorate the interior of Orthodox temples with aromatic flowers and herbs. Incense Incense in the Eastern Orthodox Church is burned at essentially every worship service usually multiple times. This is always done by burning granulated incense on a hot coal inside a censer. The censer is essentially two metal bowls suspended by chains and which can be raised and lowered to allow more or less smoke out. Incense is burned, in accordance with Old Testament tradition, as an essential mode of worship to God and is burned in token of reverence to objects of sanctity such as relics, bishops, icons, the congregation and many other besides. During the course of every service, all objects of repute are censed by the deacon or priest. This is done by swinging the censer forward and bringing it back sending a cloud of aromatic smoke towards the object being censed. Other aromas Scented oils are also used, sometimes to anoint the feast day icon, or