Complex sentence: On November 8,2005, the Hongkong Post issued a set of special stamps featuring "Hong Kong Pop Singers", featuring Hong Kong's popular singers, saluting five pop stars who have left their marks on Cantopop music history.
Split into simpler sentences: On November 8,2005, the Hongkong Post issued a set of special stamps featuring "Hong Kong Pop Singers". This stamp set focused on Hong Kong's popular singers, saluting five pop stars who have left their marks on Cantopop music history.