GEM remote: https://rubygems.org/ specs: activesupport (4.1.7) i18n (~> 0.6, >= 0.6.9) json (~> 1.7, >= 1.7.7) minitest (~> 5.1) thread_safe (~> 0.1) tzinfo (~> 1.1) ffi (1.9.6) hashie (3.3.1) i18n (0.6.11) json (1.8.1) libspotify (12.1.51.4) minitest (5.4.3) mumble-ruby (1.1.2) activesupport hashie opus-ruby ruby_protobuf wavefile opus-ruby (1.0.1) ffi performer (1.0.1) ruby_protobuf (0.4.11) spotify (12.6.0) ffi (~> 1.0, >= 1.0.11) libspotify (~> 12.1.51) performer (~> 1.0) thread_safe (0.3.4) tzinfo (1.2.2) thread_safe (~> 0.1) wavefile (0.6.0) PLATFORMS ruby DEPENDENCIES mumble-ruby spotify