function isValidSongBlockPart(partType) {
    if( partType != BLOCKPART_SWARA && partType != BLOCKPART_LYRIC 
    		&& part != BLOCKPART_PAUSE ) return false;
    return true;
}
/**
 * validate a songblock part
 * @param {BLOCKPART_TYPE} partType the type of song block part
 * @return true or false indicating if passed part-type is a valid one
 * @type boolean
 */
validate a songblock part
@param {BLOCKPART_TYPE} partType the type of song block part
@return true or false indicating if passed part-type is a valid one
@type boolean
validate a songblock part @param { BLOCKPART_TYPE } partType the type of song block part @return true or false indicating if passed part - type is a valid one @type boolean
function isValidSongBlockPart(partType) {
    if( partType != BLOCKPART_SWARA && partType != BLOCKPART_LYRIC 
    		&& part != BLOCKPART_PAUSE ) return false;
    return true;
}
function isValidSongBlockPart ( partType ) { if ( partType != BLOCKPART_SWARA && partType != BLOCKPART_LYRIC && part != BLOCKPART_PAUSE ) return false ; return true ; }
validate a songblock part
 @param {BLOCKPART_TYPE} partType the type of song block part
 @return true or false indicating if passed part-type is a valid one
 @type boolean
validate a songblock part @param { BLOCKPART_TYPE } partType the type of song block part @return true or false indicating if passed part - type is a valid one @type boolean