# Directives: duration
This directive specifiesthe duration of the song. This can be a number
indicating seconds, or a time specification conforming to the extended
ordinal time format as defined in
ISO 8601. For example,
durations 268
(seconds) and 4:28
(readable) are the same.
Duration will always be shown in readable format.
Examples:
{duration: 268}
{meta: duration 4:28}
See also: meta.