*'''[[Only (halo)|Release]]:''' Also known as '''[[Glossary#Halo|Halo]]''' 20. The first single released after '''''[[With Teeth (halo)|With Teeth]]'''''.
*'''[[Only (song)|Song]]:''' The eighth track from '''''[[With Teeth (halo)|With Teeth]]'''''. Versions of this track also appear on '''''[[Only (halo)|Only]]''''', '''''[[Every Day Is Exactly The Same (halo)|Every Day Is Exactly The Same]]''''', and '''''[[Beside You In Time (halo)|Beside You In Time]]'''''.
===[[The Only Time|Only Time, The]]===
The ninth track from ''[[Pretty Hate Machine]]''. A version of this song appears on ''[[Closure]]''.
===[[Opal]]===