Beatles Song: "The sun is shining down, burns my feet as they touch the ground"?

Questions

1970s Hits: This 1975 David Bowie #1 was also the title of an Irene Cara hit...?

1970s Hits: This 1976 Johnnie Taylor #1 was the first single certified platinum...?

1970s Hits: This animal is in the title of Harry Chapin's 1974 #1?

1970s Hits: This brother act had 4 #1's in 1970...?

1970s Hits: This group song the 1978 #1 "Baby Come Back"?