Was doing a solo Riven + Queenswalk run and was lucky enough to drop a 1K Voices. Yes, I did cut the first part of the solo Riven because I felt like the mechanic for the solo is already known and seen, you can find a full solo Riven run here;    • Solo Riven - Season of the Splicer  
https://www.bungie.net/en/Community/D...

Credits to Chronix for finding the strat:    • Solo Queenswalk in Season of the Lost...