I'm just curious if this would be more efficient:
```
<$list filter="[tag[Song]] :filter[get[year]prefix[198]] +[sort[]]">
</list>
```
and if it's enough so that it's even worth considering. The point is that sorting is at best
`O(n log(n))`, and filtering should be linear, so if we filter to reduce the list first, we should
have a faster sort call. Or am I missing something about how filters operate?