A method comprising: receiving, from a media player of a computing device, data associated with presenting a second media item after a first media item, the data comprising: a first audio level value representing a user-selected amplitude setting of the media player during playback of the first media item; and a second audio level value representing a user-selected amplitude setting of the media player during playback of the second media item; adding, to an audio level index, a new audio level index entry comprising: a first media identifier identifying the first media item; a second media identifier identifying the second media item; and at least one from the group consisting of: a pair comprising the first and the second audio level values, and a difference between the first and the second audio level values; determining, from one or more audio level index entries comprising the first media identifier and the second media identifier, an audio level difference value representing a collective difference between the first and the second audio level values of the one or more audio level index entries; providing the first media item for presentation using a second media player; receiving a request from the second media player to provide the second media item during or after presentation of the first media item; providing the second media item; and providing (515,520) instructions to change an audio level associated with the second media player based on the ALD value. receiving, from a media player of a computing device, data associated with presenting a second media item after a first media item, the data comprising: a first audio level value representing a user-selected amplitude setting of the media player during playback of the first media item; and a second audio level value representing a user-selected amplitude setting of the media player during playback of the second media item; a first audio level value representing a user-selected amplitude setting of the media player during playback of the first media item; and a second audio level value representing a user-selected amplitude setting of the media player during playback of the second media item; adding, to an audio level index, a new audio level index entry comprising: a first media identifier identifying the first media item; a second media identifier identifying the second media item; and at least one from the group consisting of: a pair comprising the first and the second audio level values, and a difference between the first and the second audio level values; a first media identifier identifying the first media item; a second media identifier identifying the second media item; and at least one from the group consisting of: a pair comprising the first and the second audio level values, and a difference between the first and the second audio level values; a pair comprising the first and the second audio level values, and a difference between the first and the second audio level values; determining, from one or more audio level index entries comprising the first media identifier and the second media identifier, an audio level difference value representing a collective difference between the first and the second audio level values of the one or more audio level index entries; providing the first media item for presentation using a second media player; receiving a request from the second media player to provide the second media item during or after presentation of the first media item; providing the second media item; and providing (515,520) instructions to change an audio level associated with the second media player based on the ALD value.