17 33 44 51 71 | David Bowie's Blackstar album, released January 8, 2016

Blackstar = 2+3+1+3+2+1+2+1+9 = 24/33/42
Rockstar = 9+6+3+2+1+2+1+9 = 33/42/51

Blackstar = 2+12+1+3+11+19+20+1+18 = 87
Rockstar = 18+15+3+11+19+20+1+18 = 105

Notice that David Bowie announced the album October 26, 2015, the day that leaves 66-days left in the year.

10/26/2015 = 10+26+20+15 = 71 (Seventy-One = 144, Forty-Four = 144)
10/26/2015 = 10+26+(2+0+1+5) = 44 (Cancer, Chemo, Kill)
10/26/2015 = 1+0+2+6+2+0+1+5 = 17 (Kill = 17/44)
10/26/15 = 10+26+15 = 51 (Conspiracy)

Further, notice that the album was recorded at 'The Magic Shop'.

The = 2+8+5 = 15
Magic = 4+1+7+9+3 = 24
Shop = 1+8+6+7 = 22/31
The Magic Shop = 61/70

The = 20+8+5 = 33
Magic = 13+1+7+9+3 = 33
Shop = 19+8+15+16 = 58
The Magic Shop = 124

Let us not forget how Aleister often spelled the word 'magick'.

Magick = 13+1+7+9+3+11 = 44
Kill = 11+9+12+12 = 44
Cancer = 3+1+14+3+5+18 = 44
Chemo = 3+8+5+13+15 = 44

http://www.theguardian.com/music/musicblog/2016/jan/11/was-david-bowie-saying-goodbye-on-blackstar