======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'The Streets'
                                     'text_people'  ''
                                         'release'  'Original Pirate Material'
                                           'title'  "Don't Mug Yourself"
                                           '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-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'hip hop', 'british', 'rap']"
                                     'discogstags'  "['electronic', 'hip hop', 'house', 'grime', 'garage house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '90.010'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Original Pirate Material'
'TBPM' (BPM (beats per minute))                     '90.010'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "Don't Mug Yourself"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Streets'
'TRCK' (Track number/Position in set)               '9'
'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'                                  ['electronic', 'hip hop', 'house', 'grime', 'garage house']
'TXXX:lastfmtags'                                   ['indie', 'hip hop', 'british', '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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.67 dB'
'TXXX:replaygain_track_peak'                        '0.466769'

========================== row from database ==========================
                                              'id'  1517885
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Streets/Original Pirate Material__09 - Don_t Mug Yourself.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3825149
                                           'mtime'  1620592553
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Material__09 Don_t hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Streets
                                     'tag_release'  Original Pirate Material
                                       'tag_title'  Don't Mug Yourself
                                             'bpm'  90.01
                                    'search_title'  'don':1 'dont':3 'mug':4 't':2 'yourself':5
                                   'search_artist'  'streets':2 'the':1
                                  'search_release'  'material':3 'original':1 'pirate':2
                                     'search_rest'  '09':6 'don':7 'hip':9 'hiphop':1 'hop':10 'material':5 'or':11 'rap':2 'rnb':3 't':8 'turntablism':4
                                    'search_combo'  '09':16 'don':1A,17 'dont':3A 'hip':19 'hiphop':11 'hop':20 'material':10C,15 'mug':4A 'or':21 'original':8C 'pirate':9C 'rap':12 'rnb':13 'streets':7B 't':2A,18 'the':6B 'turntablism':14 'yourself':5A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', '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'  ['indie', 'hip hop', 'british', 'rap']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'hip hop', 'house', 'grime', 'garage house']

============================== file details ==============================
                                           'mtime'  1620592552.7706904  (2021-05-09 22:35:52)
                             'size'  3825149