======================== unified (from filesystem) ========================
                                         'bitrate'  '40.0'
                                        'duration'  '165'
                                          'artist'  'Ted Lewis & His Band'
                                     'text_people'  ''
                                         'release'  'Columbia 2088-D '
                                           'title'  'Harmonica Harry'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '95.754'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:+e³¯O5TM¬®\x18\x9f\x1c+µ%'  PRIV(owner='WM/WMCollectionID', data=b'+e\xb3\xafO5TM\xac\xae\x18\x9f\x1c+\xb5%')
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'TALB' (Album/Movie/Show title)                     'Columbia 2088-D '
'TBPM' (BPM (beats per minute))                     '95.754'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'Harmonica Harry'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '165881'
'TPE1' (Lead performer(s)/Soloist(s))               'Ted Lewis & His Orchestra (v:'
'TPE2' (Band/orchestra/accompaniment)               'Ted Lewis & His Band'
'TPUB' (Publisher)                                  'Timeless'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.56 dB'
'TXXX:replaygain_track_peak'                        '0.589206'

========================== row from database ==========================
                                              'id'  1533814
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/ted lewis (ted lewis vocal) - harmonica harry 1930.mp3
                                         'working'  None
                                         'bitrate'  40
                                    'duration_sec'  165
                                           'genre'  prerock-swing
                                        'filesize'  848636
                                           'mtime'  1620562681
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection ted lewis (ted lewis vocal) harmonica harry 1930 prerock swing
                                      'tag_artist'  Ted Lewis & His Band
                                     'tag_release'  Columbia 2088-D 
                                       'tag_title'  Harmonica Harry
                                             'bpm'  95.754
                                    'search_title'  'harmonica':1 'harry':2
                                   'search_artist'  'band':4 'his':3 'lewis':2 'ted':1
                                  'search_release'  '2088':2 '2088d':4 'columbia':1 'd':3
                                     'search_rest'  '1930':15 '30':5 'collection':7 'country':4 'exotica':2 'harmonica':13 'harry':14 'jazz':1 'lewis':9 'oldies':3 'prerock':16 's':6 'swing':17 'ted':8,10 'vocal':11,12
                                    'search_combo'  '1930':25 '2088':8C '2088d':10C '30':15 'band':6B 'collection':17 'columbia':7C 'country':14 'd':9C 'exotica':12 'harmonica':1A,23 'harry':2A,24 'his':5B 'jazz':11 'lewis':4B,19 'oldies':13 'prerock':26 's':16 'swing':27 'ted':3B,18,20 'vocal':21,22
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562680.8222327  (2021-05-09 14:18:00)
                             'size'  848636