======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '239'
                                          'artist'  'Dr. Dre and Snoop Dogg'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Nuthin But A G Thang'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hip-hop', 'rap', 'gangsta rap', 'west coast', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '94.813'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '94.813'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Nuthin But A G Thang'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dr. Dre and Snoop Dogg'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['hip-hop', 'rap', 'gangsta rap', 'west coast', 'hip hop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.344427'
'TXXX:tracknum'                                     '131'

========================== row from database ==========================
                                              'id'  1356931
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/131 - Dr. Dre and Snoop Dogg - Nuthin But A G Thang (1993).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  239
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  3838831
                                           'mtime'  1645790111
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 131 (1993) electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Dr. Dre and Snoop Dogg
                                     'tag_release'  None
                                       'tag_title'  Nuthin But A G Thang
                                             'bpm'  94.813
                                    'search_title'  'a':3 'but':2 'g':4 'nuthin':1 'thang':5
                                   'search_artist'  'and':4 'dogg':6 'dr':1,2 'dre':3 'snoop':5
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '131':3 '1993':4,5 '90s':2 'billboard':15 'electronic':6 'generic':7 'or':8 'pl':14 'radio':9 'set':11,13 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':12 '131':14 '1993':15,16 '90s':13 'a':3A 'and':9B 'billboard':26 'but':2A 'dogg':11B 'dr':6B,7B 'dre':8B 'electronic':17 'g':4A 'generic':18 'nuthin':1A 'or':19 'pl':25 'radio':20 'set':22,24 'snoop':10B 'thang':5A 'unsorted':21,23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['hip-hop', 'rap', 'gangsta rap', 'west coast', 'hip hop']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1645790111.2150671  (2022-02-25 12:55:11)
                             'size'  3838831