======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'Tom Jones'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "She's A Lady"
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-pl-billboard'
                                             'bpm'  '119.265'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.265'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "She's A Lady"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Jones'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.376095'

========================== row from database ==========================
                                              'id'  1508269
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tom Jones/[1998] The Best of/Tom Jones - She_s A Lady - 15.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  rock-unsorted;set-pl-billboard
                                        'filesize'  4183890
                                           'mtime'  1620392178
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [1998] The Best of She_s 15 rock unsorted;set pl billboard
                                      'tag_artist'  Tom Jones
                                     'tag_release'  None
                                       'tag_title'  She's A Lady
                                             'bpm'  119.265
                                    'search_title'  'a':4 'lady':5 's':2 'she':1 'shes':3
                                   'search_artist'  'jones':2 'tom':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1998':2,3 'best':5 'billboard':15 'of':6 'pl':14 'rock':9 's':8 'set':11,13 'she':7 'the':4 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':8 '1998':9,10 'a':4A 'best':12 'billboard':22 'jones':7B 'lady':5A 'of':13 'pl':21 'rock':16 's':2A,15 'set':18,20 'she':1A,14 'shes':3A 'the':11 'tom':6B 'unsorted':17,19
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392178.3177013  (2021-05-07 14:56:18)
                             'size'  4183890