======================== unified (from filesystem) ========================
                                         'bitrate'  '226.242'
                                        'duration'  '229'
                                          'artist'  'Lady Sovereign'
                                     'text_people'  ''
                                         'release'  'Public Warning!'
                                           'title'  'Those Were The Days'
                                           '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-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['grime', 'female vocalists', 'hip hop', 'british', 'rap']"
                                     'discogstags'  "['hip hop', 'grime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '89.021'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Public Warning!'
'TBPM' (BPM (beats per minute))                     '89.021'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Those Were The Days'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lady Sovereign'
'TRCK' (Track number/Position in set)               '10'
'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', 'grime']
'TXXX:lastfmtags'                                   ['grime', 'female vocalists', '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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.386898'

========================== row from database ==========================
                                              'id'  719722
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/10-lady_sovereign-those_were_the_days.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  229
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6508003
                                           'mtime'  1620586566
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 10 lady_sovereign those_were_the_days hip hop or rnb or rap or turntablism
                                      'tag_artist'  Lady Sovereign
                                     'tag_release'  Public Warning!
                                       'tag_title'  Those Were The Days
                                             'bpm'  89.021
                                    'search_title'  'days':4 'the':3 'those':1 'were':2
                                   'search_artist'  'lady':1 'sovereign':2
                                  'search_release'  'public':1 'warning':2
                                     'search_rest'  'days':10 'hip':11 'hiphop':1 'hop':12 'lady':5 'or':13 'rap':2 'rnb':3 'sovereign':6 'the':9 'those':7 'turntablism':4 'were':8
                                    'search_combo'  'days':4A,18 'hip':19 'hiphop':9 'hop':20 'lady':5B,13 'or':21 'public':7C 'rap':10 'rnb':11 'sovereign':6B,14 'the':3A,17 'those':1A,15 'turntablism':12 'warning':8C 'were':2A,16
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', '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'  ['grime', 'female vocalists', 'hip hop', 'british', 'rap']
                                        'tag_date'  2006
                                     'discogstags'  ['hip hop', 'grime']

============================== file details ==============================
                                           'mtime'  1620586565.8356962  (2021-05-09 20:56:05)
                             'size'  6508003