The correct name for Chilly Cha Cha is MAGIC CHA CHA choreographed by Ruth Elias and Pauline Morgan to the song Chilly Cha Cha by Jessica Jay. The alternate song is Is The Magic Still There by Alabama. It is a 32 counts, 4 walls easy intermediate line dance. No tag and no restart.
DHSS is still in the playlist for line dance jams organised by Taiji groups but it is danced to the Chinese song Zi Ding Xiang with 2 restarts. In fact, I am the one who taught this dance to my students using this Chinese song because I could not get hold of the song,Coffee, then. It was many years ago.
Have you heard of the evergreen line dances called Sugar Sugar choreographed by Doug Miranda to the song of the same name by Archies and Singapore Swing by Bill Bader. Singapore Swing was danced in Singapore to the local song of Rasa Sayang by a Singaporean band.
These 4 dances are considered evergreen oldies and they are still danced in line dance parties once in a while. Even though I have not danced them for ages, I can still remember the steps.