BONG magazine reported in its fifth issue:
BONG 5 1989 1. Yallo! Me again! 2. 101 - the video. 3. Ask Fletch. 4. Daniel Miller. 5. Snippets. 6. Paris - again! 7. DM in Birmingham. 8. A DM crossword. 9. Backroom boys. 10. The San Remo festival. 11. Pinpals. 12. Letters. 13. Depeche Mode in Paris.
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A surprise 'concert' was held at the Mean Fiddler in London in honour of Gerry McKenna who was leaving Mute after working there forever! Artists included Nick Cave ('Leaving On A Jetplane') and 'Duo Diablo' - who looked uncannily like Andy Fletcher and Martin Gore! This odd couple did a foot-stomping rendition of 'Thirty Days' which is apparently a "Chuck Berry classic".
Dave Gahan said in the March 1989 issue of German magazine Spex (translated from German):
"We had a wonderful evening last Friday night, when an employee left the company after eight years and gave a party at the Mean Fiddler, with all of [Mute's] band playing acoustic sets. Nick Cave, Erasure, Wire, us - it went on all night. [Being with Mute] matters a lot - it's like a family."
There are no known photos or recordings of "Duo Diablo"'s performance.