Hrmmm, not bad:

irb(main):001:0>
Utility.cache(
	'foo',
	:creator => 'Jay McGavren',
	:title => 'Cache Test',
	:sort_order => 1,
	:parent_directory => '.',
	:extension => 'txt',
	:album => 'My Album'
)
=> nil
irb(main):002:0> puts find "Jay McGavren"
Jay McGavren
Jay McGavren/My Album
Jay McGavren/My Album/01 Cache Test.txt
=> nil
irb(main):003:0> puts cat "Jay McGavren/My Album/01 Cache Test.txt"
foo

[edited for legibility]