An apparatus comprising: at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following: in respect of presentation, to a user, of a secondary content window overlying a scene such that the secondary content window covers a predefined area of the scene less than an area comprising a visual extent of the scene, the secondary content window providing a display area in which to provide for presentation of at least secondary visual content thereby allowing for viewing of the secondary visual content alongside the scene outside the predefined area; based on a predetermined event occurring in the scene at a location hidden by the secondary content window; provide for presentation of audio of at least the predetermined event with an event spatial audio effect, the event spatial audio effect configured to place a perceived origin of the audio of the predetermined event at a location outside the secondary content window to thereby alert a user to the occurrence of the predetermined event hidden by the secondary content window. at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following: in respect of presentation, to a user, of a secondary content window overlying a scene such that the secondary content window covers a predefined area of the scene less than an area comprising a visual extent of the scene, the secondary content window providing a display area in which to provide for presentation of at least secondary visual content thereby allowing for viewing of the secondary visual content alongside the scene outside the predefined area; based on a predetermined event occurring in the scene at a location hidden by the secondary content window; provide for presentation of audio of at least the predetermined event with an event spatial audio effect, the event spatial audio effect configured to place a perceived origin of the audio of the predetermined event at a location outside the secondary content window to thereby alert a user to the occurrence of the predetermined event hidden by the secondary content window. in respect of presentation, to a user, of a secondary content window overlying a scene such that the secondary content window covers a predefined area of the scene less than an area comprising a visual extent of the scene, the secondary content window providing a display area in which to provide for presentation of at least secondary visual content thereby allowing for viewing of the secondary visual content alongside the scene outside the predefined area; based on a predetermined event occurring in the scene at a location hidden by the secondary content window; provide for presentation of audio of at least the predetermined event with an event spatial audio effect, the event spatial audio effect configured to place a perceived origin of the audio of the predetermined event at a location outside the secondary content window to thereby alert a user to the occurrence of the predetermined event hidden by the secondary content window.