======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Lil Hardin Armstrong and Her Swing Orchestra'
                                     'text_people'  ''
                                         'release'  ('The Chronological Classics: Lil Hardin Armstrong and Her Swing Orchestra '
 '1936-1940')
                                           'title'  'My Secret Flame'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'swing', 'lindy hop', 'berlinx', 'schwabingo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  '26'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '85.345'
                                             'key'  '2A'
                                        'acoustid'  'ad53a420-fc69-433b-b2da-318e728bd43c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     ('The Chronological Classics: Lil Hardin Armstrong and Her Swing Orchestra '
 '1936-1940')
'TBPM' (BPM (beats per minute))                     '85.345'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'My Secret Flame'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '193332'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lil Hardin Armstrong and Her Swing Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Lil Hardin Armstrong and Her Swing Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Classics Records'
'TRCK' (Track number/Position in set)               '26/26'
'TSO2'                                              'Hardin Armstrong, Lil & Her Swing Orchestra'
'TSOP' (Performer sort order)                       'Hardin Armstrong, Lil & Her Swing Orchestra'
'TXXX:ASIN'                                         'B00007GX5F'
'TXXX:Acoustid Id'                                  'ad53a420-fc69-433b-b2da-318e728bd43c'
'TXXX:BARCODE'                                      '3307517056429'
'TXXX:CATALOGNUMBER'                                '564'
'TXXX:MusicBrainz Album Artist Id'                  'a160f2a6-4a00-4d70-934a-91a0f44c1ad7'
'TXXX:MusicBrainz Album Id'                         '62364bf6-0443-455f-8a2e-38f82b78f4a6'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'a160f2a6-4a00-4d70-934a-91a0f44c1ad7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['jazz', 'swing', 'lindy hop', 'berlinx', 'schwabingo']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+2.58 dB'
'TXXX:replaygain_track_peak'                        '0.477617'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e420c76f-e6cc-4d24-8ceb-00146e483de8')

========================== row from database ==========================
                                              'id'  1528688
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/lil armstrong - my secret flame.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  3114235
                                           'mtime'  1620527907
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection lil armstrong my secret flame prerock jb jazz vocal
                                      'tag_artist'  Lil Hardin Armstrong and Her Swing Orchestra
                                     'tag_release'  The Chronological Classics: Lil Hardin Armstrong and Her Swing Orchestra 1936-1940
                                       'tag_title'  My Secret Flame
                                             'bpm'  85.345
                                    'search_title'  'flame':3 'my':1 'secret':2
                                   'search_artist'  'and':4 'armstrong':3 'hardin':2 'her':5 'lil':1 'orchestra':7 'swing':6
                                  'search_release'  '1936':12 '19361940':14 '1940':13 'and':8 'armstrong':7 'chronological':2 'classics':3,4 'hardin':6 'her':9 'lil':5 'orchestra':11 'swing':10 'the':1
                                     'search_rest'  '30':5 'armstrong':9 'collection':7 'country':4 'exotica':2 'flame':12 'jazz':1 'jb':14 'lil':8 'my':10 'oldies':3 'prerock':13 's':6 'secret':11 'vocal':15
                                    'search_combo'  '1936':22C '19361940':24C '1940':23C '30':29 'and':7B,18C 'armstrong':6B,17C,33 'chronological':12C 'classics':13C,14C 'collection':31 'country':28 'exotica':26 'flame':3A,36 'hardin':5B,16C 'her':8B,19C 'jazz':25 'jb':38 'lil':4B,15C,32 'my':1A,34 'oldies':27 'orchestra':10B,21C 'prerock':37 's':30 'secret':2A,35 'swing':9B,20C 'the':11C 'vocal':39
                                    'tag_tracknum'  26
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'swing', 'lindy hop', 'berlinx', 'schwabingo']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527907.2326272  (2021-05-09 04:38:27)
                             'size'  3114235