The act achieved its top-charting album on the Billboard 200 with Phase-III ... Plus, Donny and sister Marie Osmond notched seven Hot 100 hits in 1974-78, including two top 10s.

Some songs that become huge hits were added to albums at the last minute; here are four that we couldn't imagine living ...

The act achieved its top-charting album on the Billboard 200 with Phase-III ... Plus, Donny and sister Marie Osmond notched seven Hot 100 hits in 1974-78, including two top 10s.

Flack nearly landed both victories for a third consecutive year, as her third and final Hot 100 leader, 1974's "Feel Like ... of Roberta Flack's biggest hits on the Billboard Hot 100.