======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '343'
                                          'artist'  'Tleilaxu'
                                     'text_people'  ''
                                         'release'  'Genetherapy'
                                           'title'  'Sickness'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['electronica', 'house', 'techno', 'minimal', 'glitch']"
                                     'discogstags'  "['electronic', 'techno', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '120.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Genetherapy'
'TBPM' (BPM (beats per minute))                     '120.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Sickness'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tleilaxu'
'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'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'techno', 'ambient']
'TXXX:lastfmtags'                                   ['electronica', 'house', 'techno', 'minimal', 'glitch']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.752215'

========================== row from database ==========================
                                              'id'  985875
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic abstract/Tleilaxu-Sickness.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  343
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  5492822
                                           'mtime'  1621084945
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Epitonic abstract electronic techno minimal or deephouse
                                      'tag_artist'  Tleilaxu
                                     'tag_release'  Genetherapy
                                       'tag_title'  Sickness
                                             'bpm'  120.1
                                    'search_title'  'sickness':1
                                   'search_artist'  'tleilaxu':1
                                  'search_release'  'genetherapy':1
                                     'search_rest'  'abstract':2 'deephouse':7 'electronic':3 'epitonic':1 'minimal':5 'or':6 'techno':4
                                    'search_combo'  'abstract':5 'deephouse':10 'electronic':6 'epitonic':4 'genetherapy':3C 'minimal':8 'or':9 'sickness':1A 'techno':7 'tleilaxu':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'house', 'techno', 'minimal', 'glitch']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'techno', 'ambient']

============================== file details ==============================
                                           'mtime'  1621084944.8471572  (2021-05-15 15:22:24)
                             'size'  5492822