======================== unified (from filesystem) ========================
                                         'bitrate'  '191.986'
                                        'duration'  '351'
                                          'artist'  'Paul Kalkbrenner'
                                     'text_people'  ''
                                         'release'  'Self'
                                           'title'  'Press On'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['chill', 'electronic', 'chillout', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic', 'techno', 'minimal', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '133.403'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Self'
'TBPM' (BPM (beats per minute))                     '133.403'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Press On'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Kalkbrenner'
'TRCK' (Track number/Position in set)               '2'
'TXXX:MusicMagic Data'                              'AgEAKFcSm4CwwYITgDi+b0uzfYyChoB16/CRFVwQ+evbKIABgAHYeK1EvQkpjJXQg5eAAc6grs7I3SC8gAHzWPg9LVSdW7oeiryRUJLZrnqeNYzx4YoijOIPhm2AyueWkf9KjbVkzo2P94AB4QOsj7DV2JeOBINDgAHIadV/7Qn9r4AB4Bb7zBB6j+K5brlGhKY='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['electronic', 'techno', 'minimal', 'tech house']
'TXXX:lastfmtags'                                   ['chill', 'electronic', 'chillout', 'minimal', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.45 dB'
'TXXX:replaygain_track_peak'                        '0.352186'

========================== row from database ==========================
                                              'id'  1285679
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Paul Kalkbrenner - 02 - Press On.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  351
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  8450720
                                           'mtime'  1621085284
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 electronic th techno minimal or deephouse
                                      'tag_artist'  Paul Kalkbrenner
                                     'tag_release'  Self
                                       'tag_title'  Press On
                                             'bpm'  133.403
                                    'search_title'  'on':2 'press':1
                                   'search_artist'  'kalkbrenner':2 'paul':1
                                  'search_release'  'self':1
                                     'search_rest'  '00poprockelectronic':1 'deephouse':12 'electronic':7 'files':5,6 'loose':3,4 'minimal':10 'or':11 'techno':9 'th':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'deephouse':17 'electronic':12 'files':10,11 'kalkbrenner':4B 'loose':8,9 'minimal':15 'on':2A 'or':16 'paul':3B 'press':1A 'self':5C 'techno':14 'th':13 'unsorted':7
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chill', 'electronic', 'chillout', 'minimal', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'techno', 'minimal', 'tech house']

============================== file details ==============================
                                           'mtime'  1621085283.671378  (2021-05-15 15:28:03)
                             'size'  8450720