You create a rock star, choose your genre and year to start in (must start in year 1940 and unlock starting in later years by waiting until time progresses to that year in a game, new genres unlocked as you progress and if your guy has a high enough star rating they can start a genre themselves, but more on that later). In star creation you get skill points to put into instrumentation on various instruments, style, looks, production skill and six appeal.
You start after just getting a deal with a record company and can choose what type of single (or album inlater eras) to release. For singles you choose (via slider) how commercial/experimental your single is going to be. For albums you can choose on a song by song basis. You can also choose different sliders such as how much instrumentation, productine etc. In earlier eras experimentation is severely frowned upon by the general public. You can also use topic matter, choosing subjects such as love (if love song you get risque slider and can choose how bawdy you want your song to be. Sends up stars controversy ratings which gives a blow in the advlt market and a raise in the teen market) war, activism (has political slider) and novelty (assures high ratings but short income time, can get revival in say, thirty years?). You get a set amount of points (points are allocated based on the instrumentationship of your musicians, the public interest in the subject and genre, the producers skill, the amount of time spent on the single/album and the labels faith in you)
To release the first single of your career you get session musicians assigned by your record label of a low standard (musician standard is important to record quality.) unless you chose to start a band then you get a random selection of low quality musicians (they get better with experience) and a producer of a low standard. You get a set number of points to put into your song in various aspects (not sure what)
Adoration or controversy contributes to fame, which has many uses outlined below. The Controversy and adoration meters earn your star fans, and in later eras haters., the adoration fans are quick to move on and you have to release lots of singles and albums of a high quality to eventually keep them permanently. Controversy fans are much more loyal but can turn into haters easily if you start releasing commercial sounding records with limp subject matter, being dismissed as a sellout).
Once you have filled up a fame meter (fame can be filled by either adoration, filled by sachariine songs with little risk which takes longer but gives more money per song or controversy which is filled by politically charged songs or sixually suggestive songs. This fills up fame a lot quicker but leads to lower ticket sales for live performances and a lower consumer base, but more loyal than the adoration) your label puts you on tour.
When you have a band you have a "band tension" meter with each member. The tension meter goes up when you refuse a song from a band member (occasionally they will give you a song with their own sliders they want to record) or don't give them stage presence.
Secret cow level included where you hide in a barn with cows and kill zombies with drumsticks, throwing amps off buildings, hitting with guitars, decapatatig with saxophones and strangling with microphones
When on tour the band tension levels will automatically go up this can be slowed by booking better accomadation and travel. (and maybe letting them have and entourage and groupies but I don't know). If it reaches 80 that band members will drag down your live performance ratings and if it reaches 100 they will leave the band and blow up all toilits in the earby vicinity with cherry bombs.
Your live performance rating depends on the freshness of material, the fame of the material how often that material has been performed live on tour, how much the set list order has varied on the tour and the quality of the band mmbers muscianship, and their sobrierty.
WIll elaborate more later