======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '280'
                                          'artist'  'R. Kelly'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Gotham City'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'soul', 'hip-hop', 'rap', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '84.809'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.809'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Gotham City'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'R. Kelly'
'TRCK' (Track number/Position in set)               '0'
'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'                                   ['rnb', 'soul', 'hip-hop', 'rap', 'hip hop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.532052'
'TXXX:tracknum'                                     '198'

========================== row from database ==========================
                                              'id'  1321639
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/198 - R.Kelly - Gotham City (1997).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  280
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  4482229
                                           'mtime'  1645790082
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 198 R.Kelly (1997) electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  R. Kelly
                                     'tag_release'  None
                                       'tag_title'  Gotham City
                                             'bpm'  84.809
                                    'search_title'  'city':2 'gotham':1
                                   'search_artist'  'kelly':3 'r':1,2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '198':3 '1997':7,8 '90s':2 'billboard':18 'electronic':9 'generic':10 'kelly':5 'or':11 'pl':17 'r':4 'radio':12 'rkelly':6 'set':14,16 'unsorted':13,15
                                    'search_combo'  '00poprockelectronic':6 '198':8 '1997':12,13 '90s':7 'billboard':23 'city':2A 'electronic':14 'generic':15 'gotham':1A 'kelly':5B,10 'or':16 'pl':22 'r':3B,4B,9 'radio':17 'rkelly':11 'set':19,21 'unsorted':18,20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['rnb', 'soul', 'hip-hop', 'rap', 'hip hop']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1645790082.066064  (2022-02-25 12:54:42)
                             'size'  4482229