 The song also peaked in the Australian charts where it went on to become the countries' second biggest selling single of 2004.Anastacia released three further internationally successful singles; "Sick and Tired" (which gave her another number one in Spain and another UK top five single), "Welcome to My Truth" (her best-selling hit in Spain), and the ballad "Heavy on My Heart" proceeds from the sale of which went towards her "Anastacia Fund" (a charitable organization providing research funding for breast cancer).On July 24, Anastacia announced that her fourth studio album "Heavy Rotation" would be released October 27, 2008 in Europe and Asia (and elsewhere in 2009).