======================== unified (from filesystem) ========================
                                         'bitrate'  '235.971'
                                        'duration'  '105'
                                          'artist'  'Peggy Lee'
                                     'text_people'  'Clarence Gaskill/Jimmy McHugh'
                                         'release'  'The Radio Years'
                                           'title'  "I can't believe that you're in love with me"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '87.407'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Radio Years'
'TBPM' (BPM (beats per minute))                     '87.407'
'TCOM' (Composer)                                   'Clarence Gaskill/Jimmy McHugh'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "I can't believe that you're in love with me"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Peggy Lee'
'TPE2' (Band/orchestra/accompaniment)               'Peggy Lee'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.17 dB'
'TXXX:replaygain_track_peak'                        '0.472448'

========================== row from database ==========================
                                              'id'  1509097
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/4.the radio years/03. I can_t believe that you_re in love with me.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  105
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  3125986
                                           'mtime'  1620528005
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 4.the radio years 03. can_t you_re prerock jb jazz vocal
                                      'tag_artist'  Peggy Lee
                                     'tag_release'  The Radio Years
                                       'tag_title'  I can't believe that you're in love with me
                                             'bpm'  87.407
                                    'search_title'  'believe':5 'can':2 'cant':4 'i':1 'in':10 'love':11 'me':13 're':8 't':3 'that':6 'with':12 'you':7 'youre':9
                                   'search_artist'  'lee':2 'peggy':1
                                  'search_release'  'radio':2 'the':1 'years':3
                                     'search_rest'  '03':10,11 '4':5 '4the':7 'can':12 'country':4 'exotica':2 'jazz':1 'jb':17 'oldies':3 'prerock':16 'radio':8 're':15 't':13 'the':6 'vocal':18 'years':9 'you':14
                                    'search_combo'  '03':28,29 '4':23 '4the':25 'believe':5A 'can':2A,30 'cant':4A 'country':22 'exotica':20 'i':1A 'in':10A 'jazz':19 'jb':35 'lee':15B 'love':11A 'me':13A 'oldies':21 'peggy':14B 'prerock':34 'radio':17C,26 're':8A,33 't':3A,31 'that':6A 'the':16C,24 'vocal':36 'with':12A 'years':18C,27 'you':7A,32 'youre':9A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528004.6467087  (2021-05-09 04:40:04)
                             'size'  3125986