======================== unified (from filesystem) ========================
                                         'bitrate'  '242.589'
                                        'duration'  '179'
                                          'artist'  'Less Than Jake'
                                     'text_people'  ''
                                         'release'  'Borders & Boundaries'
                                           'title'  'Magnetic North'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-3', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ska punk', 'punk rock', 'ska', 'punk', 'rock']"
                                     'discogstags'  "['rock', 'ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '129.646'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Borders & Boundaries'
'TBPM' (BPM (beats per minute))                     '129.646'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Magnetic North'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Less Than Jake'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'ska']
'TXXX:lastfmtags'                                   ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
'TXXX:original release date'                        ['2000', '2012']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.328155'

========================== row from database ==========================
                                              'id'  719267
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Borders & Boundaries__cifs3ebf.mp3
                                         'working'  None
                                         'bitrate'  242
                                    'duration_sec'  179
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5449211
                                           'mtime'  1621637832
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Boundaries__cifs3ebf hip hop rnb rap turntablism
                                      'tag_artist'  Less Than Jake
                                     'tag_release'  Borders & Boundaries
                                       'tag_title'  Magnetic North
                                             'bpm'  129.646
                                    'search_title'  'magnetic':1 'north':2
                                   'search_artist'  'jake':3 'less':1 'than':2
                                  'search_release'  'borders':1 'boundaries':2
                                     'search_rest'  'boundaries':5 'cifs3ebf':6 'hip':7 'hiphop':1 'hop':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'borders':6C 'boundaries':7C,12 'cifs3ebf':13 'hip':14 'hiphop':8 'hop':15 'jake':5B 'less':3B 'magnetic':1A 'north':2A 'rap':9 'rnb':10 'than':4B 'turntablism':11
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
                                        'tag_date'  2012
                                     'discogstags'  ['rock', 'ska']

============================== file details ==============================
                                           'mtime'  1621637832.2761436  (2021-05-22 00:57:12)
                             'size'  5449211