(back) osccillator;
1. /vintageC/2024/04/27/bids.html
2. /vintageC/2024/04/20/bids.html
3. /vintageC/2024/04/13/bids.html
4. /vintageC/2024/03/30/bids.html
5. /vintageC/2024/03/23/bids.html
6. /vintageC/2024/03/16/bids.html
7. /vintageC/2024/02/24/bids.html
8. /vintageC/2024/01/27/bids.html