How to draw an entity relationship diagram

[emac]

I need to know how to set up a diagram that has the following:
Orchestra Relation
.Orchestra Name
.City
.State
.Music Director
Musician Relation
.Musician Number
.Musician Name
.Instrument
.Annual salary
.Orchestra Name
Degree Relation
.Musician Number
.Degree
.University
.Year
Composer Relation
.Composer Name
.Country
.Date of Birth
Composition Relation
.Composition Name
.Composer Name
.Year
Recording Relation
.Orchestra Name
.Composition Name
.Composor Name
.Recording Company
.Year
.Price

[PhilH]

erm, not a subject i'm fond of, but i think a good start would be to look at Dia instead of OO.o for this, it's actually designed with that kind of task in mind.