Somebody that I used to know by Gotye
"Best of my Love"-December, 1974
2001
1998
The Billboard Hot 100 is a week long list of the top listened to songs on the radio. The list is released on the week ending date of two weeks on a Saturday.
No Problem
2000
1992
2000 year
The #1 single on the Billboard Hot 100 on 30 Jul 1972 was Alone Again (Naturally) by Gilbert O'Sullivan.
I'm not sure, but it was probably either 1998 or 1999.
The Billboard TOP 100 songs of 2012 did not contain any songs by Lady Gaga. The #1 position was taken by Gotye Featuring Kimbra - Somebody That I Used To Know and the #100 spot by Linkin Park - Burn it Down.
The #1 single on the Billboard Hot 100 on 4 Aug 1985 was Shout by Tears for Fears.