Make Sing instances more explicit on their left-hand sides
#286
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| 5m 43s | |
| 1m 51s | |
| 2m 4s | |
| 1m 58s | |
| 1m 32s | |
| 1m 37s | |
| 1m 36s | |
| 1m 29s | |
| 1m 45s | |
| 1m 32s | |
| 1m 32s | |
| 1m 40s | |
| 24m 19s |