“The very best”.
 

 
Courtesy of Wikipedia.
 
Intro
 
Here comes Mister Softee  
The soft ice cream man.
 
1st verse
 
The creamiest dreamiest soft ice cream,  
You get from Mister Softee  
For a refreshing delight supreme  
Look for Mister Softee
 
2nd verse
 
My milkshakes and my sundaes and my cones are such a treat  
Listen for my store on wheels ding-a-ling down the street
 
3rd verse
 
The creamiest, dreamiest soft ice cream  
You get from Mister Softee  
For a refreshing delight supreme  
Look for Mister Softee
 
Coda
 
S–O–F–T double–E, Mister Softee.