======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '141'
                                          'artist'  'Teresa Brewer'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Heavenly Lover '
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'jazz', 'female vocalists', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '88.592'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-250 POS 40'
'COMM:ID3v1 Comment:XXX'                            '59-250 POS 40'
'COMM:MusicMatch_Preference:eng'                    '(# 40) 1959 Apr'
'TBPM' (BPM (beats per minute))                     '88.592'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Heavenly Lover '
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '141000'
'TPE1' (Lead performer(s)/Soloist(s))               'Teresa Brewer'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.71 dB'
'TXXX:replaygain_track_peak'                        '0.258921'

========================== row from database ==========================
                                              'id'  1437212
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-250 - Teresa Brewer - Heavenly Lover.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  141
                                           'genre'  prerock-vocal
                                        'filesize'  5675551
                                           'mtime'  1674646527
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 250 prerock vocal
                                      'tag_artist'  Teresa Brewer
                                     'tag_release'  None
                                       'tag_title'  Heavenly Lover 
                                             'bpm'  88.592
                                    'search_title'  'heavenly':1 'lover':2
                                   'search_artist'  'brewer':2 'teresa':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1959':6 '250':8 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':9 '1959':10 '250':12 '59':11 'brewer':4B 'country':8 'exotica':6 'heavenly':1A 'jazz':5 'lover':2A 'oldies':7 'prerock':13 'teresa':3B 'vocal':14
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646526.6473863  (2023-01-25 12:35:26)
                             'size'  5675551