function isValidSongPart(partType) {
    if( partType != PART_HEADING && partType != PART_TALA && partType != PART_TITLE &&
        partType != PART_SONGBLOCK && partType != PART_BREAK && 
	partType != PART_LINEBREAK && partType != PART_GATISWITCH) return false;
    return true;
}
/**
 * validate a song part
 * @param {PART_TYPE} partType the type of song part
 * @return true or false indicating if passed part-type is a valid one
 * @type boolean
 */
validate a song part
@param {PART_TYPE} partType the type of song part
@return true or false indicating if passed part-type is a valid one
@type boolean
validate a song part @param { PART_TYPE } partType the type of song part @return true or false indicating if passed part - type is a valid one @type boolean
function isValidSongPart(partType) {
    if( partType != PART_HEADING && partType != PART_TALA && partType != PART_TITLE &&
        partType != PART_SONGBLOCK && partType != PART_BREAK && 
	partType != PART_LINEBREAK && partType != PART_GATISWITCH) return false;
    return true;
}
function isValidSongPart ( partType ) { if ( partType != PART_HEADING && partType != PART_TALA && partType != PART_TITLE && partType != PART_SONGBLOCK && partType != PART_BREAK && partType != PART_LINEBREAK && partType != PART_GATISWITCH ) return false ; return true ; }
validate a song part
 @param {PART_TYPE} partType the type of song part
 @return true or false indicating if passed part-type is a valid one
 @type boolean
validate a song part @param { PART_TYPE } partType the type of song part @return true or false indicating if passed part - type is a valid one @type boolean