======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '185'
                                          'artist'  "McKinney's Cotton Pickers, Jack Teagarden, J.C. Higginbotham, Benny Carter"
                                     'text_people'  ''
                                         'release'  'The Ultimate Jazz Archive, Set 04: Classic Jazz, Ragtime, Dixieland'
                                           'title'  'Sweet Sorrow Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '23'
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '101.9'
                                             'key'  '7A'
                                        'acoustid'  'b01532e8-5b47-4721-95b8-25761e94f2c9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'The Ultimate Jazz Archive, Set 04: Classic Jazz, Ragtime, Dixieland'
'TBPM' (BPM (beats per minute))                     '101.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '1933'
'TIT2' (Title/songname/content description)         'Sweet Sorrow Blues'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '185000'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Spike Hughes and His Negro Orchestra'
'TPE2' (Band/orchestra/accompaniment)               "McKinney's Cotton Pickers, Jack Teagarden, J.C. Higginbotham, Benny Carter"
'TPOS' (Part of a set)                              '4/4'
'TPUB' (Publisher)                                  'Membran Music Ltd.'
'TRCK' (Track number/Position in set)               '19/23'
'TSO2'                                              "McKinney's Cotton Pickers, Teagarden, Jack, Higginbotham, J.C., Carter, Benny"
'TSOP' (Performer sort order)                       'Hughes, Spike and His Negro Orchestra'
'TSST' (Set subtitle)                               'Benny Carter'
'TXXX:ASIN'                                         'B000B7I3W4'
'TXXX:Acoustid Id'                                  'b01532e8-5b47-4721-95b8-25761e94f2c9'
'TXXX:Artists'                                      'Spike Hughes and His Negro Orchestra'
'TXXX:BARCODE'                                      '4011222228000'
'TXXX:CATALOGNUMBER'                                '222760-382'
'TXXX:MusicBrainz Album Artist Id'                  '16f74a5b-bb94-4025-93e4-ca56ece9f947/79dcf09e-2290-4740-9edc-907f82420160/c0a319dc-3bd6-4b94-9d9d-d2357ee52846/25cf5731-bed9-4604-97a4-8b9655de1a30'
'TXXX:MusicBrainz Album Id'                         '191597a9-88c7-43a3-8384-1e8236880f68'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'bd414bf2-f546-417d-ba28-fb34fa0b5901'
'TXXX:MusicBrainz Release Group Id'                 'a7b9031d-4473-3087-a570-5f98e7e984eb'
'TXXX:MusicBrainz Release Track Id'                 '518a15ea-5dcb-3d07-b326-40dad8a89c87'
'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:originalyear'                                 '2005'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.40 dB'
'TXXX:replaygain_track_peak'                        '0.476721'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'60100669-3c9c-421d-be68-eb39fc093f0b')

========================== row from database ==========================
                                              'id'  1472756
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1933/Spike Hughes - Sweet Sorrow Blues 18-5-1933.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  185
                                           'genre'  prerock-swing
                                        'filesize'  3763353
                                           'mtime'  1620560294
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1933 Spike Hughes 18 5 1933 prerock swing
                                      'tag_artist'  McKinney's Cotton Pickers, Jack Teagarden, J.C. Higginbotham, Benny Carter
                                     'tag_release'  The Ultimate Jazz Archive, Set 04: Classic Jazz, Ragtime, Dixieland
                                       'tag_title'  Sweet Sorrow Blues
                                             'bpm'  101.9
                                    'search_title'  'blues':3 'sorrow':2 'sweet':1
                                   'search_artist'  'benny':15 'c':11 'carter':16 'cotton':4 'higginbotham':13,14 'j':10 'jack':7 'jc':12 'kinney':18 'kinneys':20 'mc':17 'mckinney':1 'mckinneys':3 'pickers':5,6 's':2,19 'teagarden':8,9
                                  'search_release'  '04':7,8 'archive':4,5 'classic':9 'dixieland':13 'jazz':3,10 'ragtime':11,12 'set':6 'the':1 'ultimate':2
                                     'search_rest'  '00oldiepop':5 '18':9 '1933':6 '5':10 'country':4 'exotica':2 'hughes':8 'jazz':1 'oldies':3 'prerock':11 'spike':7 'swing':12
                                    'search_combo'  '00oldiepop':41 '04':30C,31C '18':45 '1933':42 '5':46 'archive':27C,28C 'benny':18B 'blues':3A 'c':14B 'carter':19B 'classic':32C 'cotton':7B 'country':40 'dixieland':36C 'exotica':38 'higginbotham':16B,17B 'hughes':44 'j':13B 'jack':10B 'jazz':26C,33C,37 'jc':15B 'kinney':21B 'kinneys':23B 'mc':20B 'mckinney':4B 'mckinneys':6B 'oldies':39 'pickers':8B,9B 'prerock':47 'ragtime':34C,35C 's':5B,22B 'set':29C 'sorrow':2A 'spike':43 'sweet':1A 'swing':48 'teagarden':11B,12B 'the':24C 'ultimate':25C
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1933
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560293.6950238  (2021-05-09 13:38:13)
                             'size'  3763353