======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '331'
                                          'artist'  'Eyedea & Abilities'
                                     'text_people'  ''
                                         'release'  'First Born'
                                           'title'  'Liquid Sovereignty'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rhymesayers', 'hip hop', 'underground hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '94.768'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Fuck the Dumb'
'TALB' (Album/Movie/Show title)                     'First Born'
'TBPM' (BPM (beats per minute))                     '94.768'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Liquid Sovereignty'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eyedea & Abilities'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['rhymesayers', 'hip hop', 'underground hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.592321'

========================== row from database ==========================
                                              'id'  1236421
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Eyedea/First Born/07-eyedea_and_abilities-liquid_sovereignty-ftd.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  331
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7949046
                                           'mtime'  1620587099
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 07 eyedea_and_abilities liquid_sovereignty ftd hip hop rnb rap turntablism
                                      'tag_artist'  Eyedea & Abilities
                                     'tag_release'  First Born
                                       'tag_title'  Liquid Sovereignty
                                             'bpm'  94.768
                                    'search_title'  'liquid':1 'sovereignty':2
                                   'search_artist'  'abilities':2 'eyedea':1
                                  'search_release'  'born':2 'first':1
                                     'search_rest'  'abilities':7 'and':6 'eyedea':5 'ftd':10 'hip':11 'hiphop':1 'hop':12 'liquid':8 'rap':2 'rnb':3 'sovereignty':9 'turntablism':4
                                    'search_combo'  'abilities':4B,13 'and':12 'born':6C 'eyedea':3B,11 'first':5C 'ftd':16 'hip':17 'hiphop':7 'hop':18 'liquid':1A,14 'rap':8 'rnb':9 'sovereignty':2A,15 'turntablism':10
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rhymesayers', 'hip hop', 'underground hip hop', 'rap']
                                        'tag_date'  2002
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620587099.322469  (2021-05-09 21:04:59)
                             'size'  7949046