======================== unified (from filesystem) ========================
                                         'bitrate'  '48.0'
                                        'duration'  '168'
                                          'artist'  'Mills Blue Rhythm Band'
                                     'text_people'  ''
                                         'release'  'The Chronological Classics: Mills Blue Rhythm Band 1931-1932'
                                           'title'  'Cabin in the Cotton'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', '30s', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '22'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '91.308'
                                             'key'  '4A'
                                        'acoustid'  '971d09d6-6b19-4146-8f6d-d7eaf7566001'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Chronological Classics: Mills Blue Rhythm Band 1931-1932'
'TBPM' (BPM (beats per minute))                     '91.308'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Cabin in the Cotton'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '168056'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Mills Blue Rhythm Band'
'TPE2' (Band/orchestra/accompaniment)               'Mills Blue Rhythm Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Classics Records'
'TRCK' (Track number/Position in set)               '9/22'
'TSO2'                                              'Mills Blue Rhythm Band'
'TSOP' (Performer sort order)                       'Mills Blue Rhythm Band'
'TXXX:ASIN'                                         'B00007GX7K'
'TXXX:Acoustid Id'                                  '971d09d6-6b19-4146-8f6d-d7eaf7566001'
'TXXX:BARCODE'                                      '3307517067623'
'TXXX:CATALOGNUMBER'                                '676'
'TXXX:MusicBrainz Album Artist Id'                  '4cca8a8b-3831-4ca6-97a3-ee4095c98079'
'TXXX:MusicBrainz Album Id'                         '7217a7b8-02ee-4bc2-a6ad-10166b11d7ea'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '4cca8a8b-3831-4ca6-97a3-ee4095c98079'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['big band', 'jazz', '30s', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.504244'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c0833856-2b16-4ad4-a6ef-abf4d58fa853')

========================== row from database ==========================
                                              'id'  1524264
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/mills blue rhythm band - in a sentimental mood 1936.mp3
                                         'working'  None
                                         'bitrate'  48
                                    'duration_sec'  168
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  1023276
                                           'mtime'  1620527914
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection mills blue rhythm band sentimental mood 1936 prerock jb jazz unsorted
                                      'tag_artist'  Mills Blue Rhythm Band
                                     'tag_release'  The Chronological Classics: Mills Blue Rhythm Band 1931-1932
                                       'tag_title'  Cabin in the Cotton
                                             'bpm'  91.308
                                    'search_title'  'cabin':1 'cotton':4 'in':2 'the':3
                                   'search_artist'  'band':4 'blue':2 'mills':1 'rhythm':3
                                  'search_release'  '1931':9 '19311932':11 '1932':10 'band':8 'blue':6 'chronological':2 'classics':3,4 'mills':5 'rhythm':7 'the':1
                                     'search_rest'  '1936':14 '30':5 'band':11 'blue':9 'collection':7 'country':4 'exotica':2 'jazz':1 'jb':16 'mills':8 'mood':13 'oldies':3 'prerock':15 'rhythm':10 's':6 'sentimental':12 'unsorted':17
                                    'search_combo'  '1931':17C '19311932':19C '1932':18C '1936':33 '30':24 'band':8B,16C,30 'blue':6B,14C,28 'cabin':1A 'chronological':10C 'classics':11C,12C 'collection':26 'cotton':4A 'country':23 'exotica':21 'in':2A 'jazz':20 'jb':35 'mills':5B,13C,27 'mood':32 'oldies':22 'prerock':34 'rhythm':7B,15C,29 's':25 'sentimental':31 'the':3A,9C 'unsorted':36
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  4A
                                           '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', '30s', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527913.5682654  (2021-05-09 04:38:33)
                             'size'  1023276