I'm not a big fan of musks, so I really can't help you there. However, many Basenoters love Kiehls Musk (perfume oil version). Maybe you should give that one a go.
As for leather scents, the following threads may prove to be useful:
If ever in doubt, the best thing is to use the search function in the forums. There's a wealth of interesting information waiting to be discovered. Many excellent personal discoveries have been made this way.
Hello Trebor ,
I see your reviews and admire your perfume experience,
Please can you recomended me Luxury and Great Perfumes,
Espeically Nice Quality and Not very Quimical and potent alchohol ,
I like moore
Tuscan leahter , of coures the first time I try is very quimical but im my
skin about 5 minuts is same like a Leather and very atractive and appealing scents.
I like Musk , Leahter and Tobacco scents but if are with Nice Quality
all its wellcome ,