Hi Gary,
I do not know what this LATeX package is able to do. However in Context
you can use
\startalignment[middle] %[left] or [right]
...
\stopalignment
You may play with
\startnarrower[left] %[3*left] [right] or whatever you want the
indentation to be.
...
\stopnarrower
You can use
\starli
I've looked on the wiki and in the manuals for an equivalent to
LaTeX's \begin{verse} environment. I found a macro in a file on the
wiki, but the definition of it seems to be obsolete.
What I'm working on is converting a wedding service set using LaTeX
and the booklet package over to ConTeX