======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '131'
                                          'artist'  'Sammy Turner'
                                     'text_people'  ''
                                         'release'  'Lavender Blue: The Very Best of Sammy Turner'
                                           'title'  'Always'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['only you', 'rhythm and blues', '50s', 'oldies', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '109.645'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '59-140 POS 19'
'COMM:ID3v1 Comment:XXX'                            '59-140 POS 19'
'TALB' (Album/Movie/Show title)                     'Lavender Blue: The Very Best of Sammy Turner'
'TBPM' (BPM (beats per minute))                     '109.645'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Always'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '131657'
'TPE1' (Lead performer(s)/Soloist(s))               'Sammy Turner'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['only you', 'rhythm and blues', '50s', 'oldies', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.568598'

========================== row from database ==========================
                                              'id'  1440819
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-140 - Sammy Turner - Always.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  131
                                           'genre'  prerock-unsorted
                                        'filesize'  5288814
                                           'mtime'  1620387792
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 140 prerock unsorted
                                      'tag_artist'  Sammy Turner
                                     'tag_release'  Lavender Blue: The Very Best of Sammy Turner
                                       'tag_title'  Always
                                             'bpm'  109.645
                                    'search_title'  'always':1
                                   'search_artist'  'sammy':1 'turner':2
                                  'search_release'  'best':6 'blue':2,3 'lavender':1 'of':7 'sammy':8 'the':4 'turner':9 'very':5
                                     'search_rest'  '00oldiepop':5 '140':8 '1959':6 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':17 '140':20 '1959':18 '59':19 'always':1A 'best':9C 'blue':5C,6C 'country':16 'exotica':14 'jazz':13 'lavender':4C 'of':10C 'oldies':15 'prerock':21 'sammy':2B,11C 'the':7C 'turner':3B,12C 'unsorted':22 'very':8C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['only you', 'rhythm and blues', '50s', 'oldies', 'soul']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387792.2491646  (2021-05-07 13:43:12)
                             'size'  5288814