======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Graphixx'
                                     'text_people'  ''
                                         'release'  'Nonstop Dancemix -- Dance or D'
                                           'title'  'Never Ending Story'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['90s']"
                                     'discogstags'  "['trance', 'techno', 'electronic', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '106.085'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nonstop Dancemix -- Dance or D'
'TBPM' (BPM (beats per minute))                     '106.085'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Never Ending Story'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Graphixx'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['trance', 'techno', 'electronic', 'euro house']
'TXXX:lastfmtags'                                   '90s'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.534652'

========================== row from database ==========================
                                              'id'  1456550
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Unsorted/Happy Hardcore - Never Ending Story Techno Remi.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3103688
                                           'mtime'  1676125546
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Unsorted Happy Hardcore Techno Remi electronic generic radio dance
                                      'tag_artist'  Graphixx
                                     'tag_release'  Nonstop Dancemix -- Dance or D
                                       'tag_title'  Never Ending Story
                                             'bpm'  106.085
                                    'search_title'  'ending':2 'never':1 'story':3
                                   'search_artist'  'graphixx':1
                                  'search_release'  'd':5 'dance':3 'dancemix':2 'nonstop':1 'or':4
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 'dance':3 'electronic':11 'generic':2 'happy':7 'hardcore':8 'radio':12 'remi':10 'techno':9 'trapbeat':4 'unsorted':6
                                    'search_combo'  '00mixable':14 '00poprockelectronic':10 'd':9C 'dance':7C,12 'dancemix':6C 'electronic':20 'ending':2A 'generic':11 'graphixx':4B 'happy':16 'hardcore':17 'never':1A 'nonstop':5C 'or':8C 'radio':21 'remi':19 'story':3A 'techno':18 'trapbeat':13 'unsorted':15
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['90s']
                                        'tag_date'  1994
                                     'discogstags'  ['trance', 'techno', 'electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1676125545.908244  (2023-02-11 15:25:45)
                             'size'  3103688