======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '140'
                                          'artist'  'Elvis Presley'
                                     'text_people'  ''
                                         'release'  'An Afternoon in the Garden'
                                           'title'  "That's All Right"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '24'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '145.790'
                                             'key'  '11B'
                                        'acoustid'  '93b7a6c7-e96d-40af-9dee-c10548388dfb'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'An Afternoon in the Garden'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-03-25'
'TIT2' (Title/songname/content description)         "That's All Right"
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Elvis Presley'
'TPE2' (Band/orchestra/accompaniment)               'Elvis Presley'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '2/24'
'TSO2'                                              'Presley, Elvis'
'TSOP' (Performer sort order)                       'Presley, Elvis'
'TXXX:ASIN'                                         'B000002X2U'
'TXXX:Acoustid Id'                                  '93b7a6c7-e96d-40af-9dee-c10548388dfb'
'TXXX:Artists'                                      'Elvis Presley'
'TXXX:BARCODE'                                      '886977097324'
'TXXX:CATALOGNUMBER'                                '67457-2'
'TXXX:MusicBrainz Album Artist Id'                  '01809552-4f87-45b0-afff-2c6f0730a3be'
'TXXX:MusicBrainz Album Id'                         '81c8520c-7e35-422b-aba4-916e24575d39'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/live'
'TXXX:MusicBrainz Artist Id'                        '01809552-4f87-45b0-afff-2c6f0730a3be'
'TXXX:MusicBrainz Release Group Id'                 '89c18ddf-4dd9-36bf-a3b0-6aecdad03ac7'
'TXXX:MusicBrainz Release Track Id'                 'ba30ef7e-a1f9-3167-a0fe-133534521091'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.571680'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'67936fae-6b54-4fa1-8712-27d0b26e1500')

========================== row from database ==========================
                                              'id'  1509098
                                            'path'  /data/Music/Bulk/00poprockelectronic/Elvis Presley/Elvis An Afternoon In The Garden/Elivis Presley - That_s all Right - 02.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  140
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  2322662
                                           'mtime'  1622659495
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic In The Elivis That_s all 02 rock pop early rocknroll
                                      'tag_artist'  Elvis Presley
                                     'tag_release'  An Afternoon in the Garden
                                       'tag_title'  That's All Right
                                             'bpm'  145.79
                                    'search_title'  'all':4 'right':5 's':2 'that':1 'thats':3
                                   'search_artist'  'elvis':1 'presley':2
                                  'search_release'  'afternoon':2 'an':1 'garden':5 'in':3 'the':4
                                     'search_rest'  '00poprockelectronic':1 'all':7 'early':10 'elivis':4 'in':2 'pop':9 'rock':8 'rocknroll':11 's':6 'that':5 'the':3
                                    'search_combo'  '00poprockelectronic':13 'afternoon':9C 'all':4A,19 'an':8C 'early':22 'elivis':16 'elvis':6B 'garden':12C 'in':10C,14 'pop':21 'presley':7B 'right':5A 'rock':20 'rocknroll':23 's':2A,18 'that':1A,17 'thats':3A 'the':11C,15
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'rock n roll', 'rock', 'oldies', 'classic rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659495.3196268  (2021-06-02 20:44:55)
                             'size'  2322662