From http://www.w3schools.com (Copyright Refsnes Data)

Web Multimedia Element Reference

The <bgsound> Element

Attribute	Function
id	A unique id for the element.
src	The location (URL) of the source file.
balance	The balance. (-10000=left, +10000=right).
loop	The number of loops. (-1=infinite).
volume	The volume. (0=max, -10000=min).

Attribute	Defines
autostart	Automatic start. (true \| false).
height	The height of the element in pixels or %.
hidden	The visibility of the element. (true \| false).
src	The location (URL) of the source file.
width	The width of the element in pixels or %.

See also styling attributes, common HTML attributes and Event attributes at the bottom of this page.

Attribute	Defines
alt	An alternate text.
archive	The locations (URLs) of archive files.
code	The location (URL) of the applet code.
codebase	The base location (default URL) for all files.
height	The height of the applet in pixels or %.
name	The name of the applet.
object	A saved representation of the applet. Do not use.
width	The width of the applet in pixels or %.

See also styling attributes, common HTML attributes and Event attributes at the bottom of this page.

Attribute	Defines
archive	The locations (URLs) of archive files.
classid	The location (URL) of the object.
codebase	The base path used to resolve relative URIs specified by the classid, data, and archive attributes.
codetype	The content type of the code.
data	The location (URL) of object data.
declare	Do not instantiate (execute) the object.
height	The height of the object in pixels or %.
name	The object's name.
standby	Text to display while object is loading.
tabindex	The position in the tab order
type	The content type of the object.
usemap	The location (URL) of an image map.
width	The width of the player in pixels or %.

See also styling attributes, common HTML attributes and Event attributes at the bottom of this page.

The param element defines parameters to the object or applet elements.

Note: These attributes are deprecated. Use styles instead.

Attribute	Defines
align	The alignment of the object.
border	The border with in pixels.
hspace	The horizontal white-space (margin) in pixels.
vspace	The vertical white-space (margin) in pixels.

Attribute	Defines
class	The element's class.
dir	The directionality of the element.
id	A unique id for the element.
lang	The language used by the element.
style	The element's style.
title	The elements title.

Event	Handles
onclick	mouse clicked
ondblclick	mouse double clicked
onmousedown	mouse button pressed down
onmouseup	mouse button released
onmouseover	cursor moved onto the element
onmousemove	cursor moved within the element
onmouseout	cursor moved away from the element
onkeypressed	key pressed and released over the element
onkeydown	key pressed down over the element
onkeyup	key released over the element