Domains from:
https://raw.githubusercontent.com/w13d/adblockListABP-PiHole/master/Spotify.txt
that are not in the dbl.oisd.nl blocklist;

audio2.spotify.com 1
d3rt1990lpmkn.cloudfront.net (album and playlist artwork in iOS Spotify Legacy app for old devices (ipod touch 4gen, iPad 1...)) 1
desktop.spotify.com 1
doubleclick.net 1 2 3 4 5
googleadservices.com (google shopping links) 1 2 3 4 5 6 7
gtssl2-ocsp.geotrust.com
open.spotify.com (spotify web / Whitelist only?) 1 2 3 4 5
pagead46.l.doubleclick.net (CNAME of googletagservices.com)
pubads.g.doubleclick.net (bbc.co.uk videos)
redirector.gvt1.com (chrome updates) 1 2 3 4
s0.2mdn.net 1
googletagservices.com (nfl.com videos; http://www.nfl.com/videos/up-to-the-minute/ clicking videos below will not work otherwise)
audio4-ak.spotify.com.edgesuite.net
beta.spotify.map.fastly.net (CNAME of i.scdn.co) 1 2 3
i.scdn.co (Spotify covers) 1