======================== unified (from filesystem) ========================
                                         'bitrate'  '198.914'
                                        'duration'  '302'
                                          'artist'  'Chicago'
                                     'text_people'  ''
                                         'release'  'Group Portrait, Volume 1'
                                           'title'  'Questions 67 & 68'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'pop', '70s', 'classic rock']"
                                     'discogstags'  "['electronic', 'psy-trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '89.374'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Group Portrait, Volume 1'
'TBPM' (BPM (beats per minute))                     '89.374'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Questions 67 & 68'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chicago'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'psy-trance']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'pop', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.505671'

========================== row from database ==========================
                                              'id'  1284108
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/04 - Questions 67 and 68.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  302
                                           'genre'  rock-cppex
                                        'filesize'  7532965
                                           'mtime'  1676125600
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 04 and rock cppex
                                      'tag_artist'  Chicago
                                     'tag_release'  Group Portrait, Volume 1
                                       'tag_title'  Questions 67 & 68
                                             'bpm'  89.374
                                    'search_title'  '67':2 '68':3 'questions':1
                                   'search_artist'  'chicago':1
                                  'search_release'  '1':5 'group':1 'portrait':2,3 'volume':4
                                     'search_rest'  '00poprockelectronic':1 'and':7 'cppex':9 'files':5,6 'loose':3,4 'rock':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '1':9C '67':2A '68':3A 'and':16 'chicago':4B 'cppex':18 'files':14,15 'group':5C 'loose':12,13 'portrait':6C,7C 'questions':1A 'rock':17 'unsorted':11 'volume':8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'rock', 'pop', '70s', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  ['electronic', 'psy-trance']

============================== file details ==============================
                                           'mtime'  1676125599.8987434  (2023-02-11 15:26:39)
                             'size'  7532965