I don't think Spotify premium is lossless, or is it?
According to Spotify (
https://support.spotify.com/us/article/high-quality-streaming/), it isn't. AAC is a lossy codec, so these files, if captured from Spotify should be considered lossy.
I took it upon myself to get this (and some others) from another streaming service who has them in a lossless format. Enjoy!
ST 102 - Helmuth Franke - Guitarland (1976)
hxxps://www117.zippyshare.com/v/UPnWIniX/file.html
ST 103 - Various - Melody in the Sun (1976)
hxxps://www65.zippyshare.com/v/kUnkKR0w/file.html
ST 107 - Helmuth Franke - Guitarland 2 (1977)
hxxps://www85.zippyshare.com/v/KlKrdipM/file.html
ST 109 - Various - Cover Girl (1977)
hxxps://www106.zippyshare.com/v/tGJ0coS0/file.html
ST 110 - Hans Haider & Symphony Strings - Traumland (1977)
hxxps://www18.zippyshare.com/v/ujRxmyGe/file.html
ST 113 - Berry Lipman & Rex Brown Company - Season Opening (1978)
hxxps://www26.zippyshare.com/v/aqHAKpuu/file.html
ST 114 - Various - Night Hustle (1978)
hxxps://www60.zippyshare.com/v/7IJFsk9c/file.html
ST 115 - Various - On the Road (1978)
hxxps://www44.zippyshare.com/v/1MfWS0J7/file.html
ST 116 - Claude Larson Environment (1978)
hxxps://www68.zippyshare.com/v/90RWlsDq/file.html
ST 117 - Various - Patchwork Party (1978)
hxxps://www41.zippyshare.com/v/SIDDJoRp/file.html
ST 120 - Guenter Platzek - Wintergarden (1979)
hxxps://www104.zippyshare.com/v/8XZjWG6I/file.html
ST 121 - Hans Haider - Music For My Friends (1979)
hxxps://www67.zippyshare.com/v/Y979TBuI/file.html
ST 122 - Claude Larson - Surroundings (1979)
hxxps://www90.zippyshare.com/v/2mW1ljag/file.html
ST 123 - Hardy Kingston - Zoom (1980)
hxxps://www68.zippyshare.com/v/heOpLfBb/file.html
ST 125 - Claude Larson - Panorama (1980)
hxxps://www113.zippyshare.com/v/Kma2abuY/file.html
ST 127 - Birdy - On the Move (1980)
hxxps://www16.zippyshare.com/v/fIJqhO64/file.html
ST 128 - Claude Larson - Rivers (1981)
hxxps://www85.zippyshare.com/v/SJJKYNv0/file.html
ST 130 - Zbig Górny - Funky Eyes (1982)
hxxps://www33.zippyshare.com/v/8ZG9r15E/file.html
ST 131 - Mike Moore Company - Midnight Roller (1982)
hxxps://www101.zippyshare.com/v/adQzf1hy/file.html
ST 132 - Birdy - Second Flight (1982)
hxxps://www89.zippyshare.com/v/AAqEhELr/file.html
ST 133 - Richard Ball - Magic Flute (1982)
hxxps://www88.zippyshare.com/v/E9cN2YB6/file.html
ST 138 - Birdy - Free Fall (1983)
hxxps://www25.zippyshare.com/v/h2IdKWcN/file.html
ST 163 - Birdy - Focus (1984)
hxxps://www54.zippyshare.com/v/fccxsTzF/file.html