======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '257'
                                          'artist'  'Spin Doctors'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Two Princes (1993)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '138.607'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Two Princes (1993)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spin Doctors'
'TRCK' (Track number/Position in set)               '0'
'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:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.707388'
'TXXX:tracknum'                                     '091'

========================== row from database ==========================
                                              'id'  1331984
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/091 - Spin Doctors - Two Princes (1993).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  257
                                           'genre'  rock-pop
                                        'filesize'  3602216
                                           'mtime'  1676561975
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 091 rock pop
                                      'tag_artist'  Spin Doctors
                                     'tag_release'  None
                                       'tag_title'  Two Princes (1993)
                                             'bpm'  138.607
                                    'search_title'  '1993':3,4 'princes':2 'two':1
                                   'search_artist'  'doctors':2 'spin':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'pop':4 'rock':3
                                    'search_combo'  '00poprockelectronic':7 '1993':3A,4A '90s':8 'doctors':6B 'pop':10 'princes':2A 'rock':9 'spin':5B 'two':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'pop', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676561975.076092  (2023-02-16 16:39:35)
                             'size'  3602216