======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '274'
                                          'artist'  'Jack Jezzro'
                                     'text_people'  ''
                                         'release'  'Gershwin on Guitar'
                                           'title'  "It Ain't Necessarily So"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
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 "'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['guitar', 'jazz guitar', 'jazz peppermint', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-jb-unsorted'
                                             'bpm'  '124.7'
                                             'key'  '7A'
                                        'acoustid'  '1aafdd69-9adf-4553-9961-da5504529c70'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Gershwin on Guitar'
'TBPM' (BPM (beats per minute))                     '124.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-unsorted'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         "It Ain't Necessarily So"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Jezzro'
'TPE2' (Band/orchestra/accompaniment)               'Jack Jezzro'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '11/12'
'TSO2'                                              'Jezzro, Jack'
'TSOP' (Performer sort order)                       'Jezzro, Jack'
'TXXX:Acoustid Id'                                  '1aafdd69-9adf-4553-9961-da5504529c70'
'TXXX:Artists'                                      'Jack Jezzro'
'TXXX:MusicBrainz Album Artist Id'                  '8b245ff7-279a-45ff-a62f-bc81eae89f64'
'TXXX:MusicBrainz Album Id'                         'd1a5b513-b4be-4731-921a-1bab6d08be13'
'TXXX:MusicBrainz Artist Id'                        '8b245ff7-279a-45ff-a62f-bc81eae89f64'
'TXXX:MusicBrainz Release Group Id'                 '48f8b334-1a59-3a67-a037-898672701d87'
'TXXX:MusicBrainz Release Track Id'                 'c1ee857e-c1b1-315f-9e5f-35091b609216'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['guitar', 'jazz guitar', 'jazz peppermint', 'jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.477131'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2a694b06-5649-4572-ace5-6af1f7b4c53e')

========================== row from database ==========================
                                              'id'  1502851
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/jack jezzro - 2011 - gershwin on guitar - 320/11 - It Ain_t Necessarily So.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  274
                                           'genre'  prerock-jb-unsorted
                                        'filesize'  11054805
                                           'mtime'  1620537818
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country jack jezzro 2011 gershwin guitar 320 11 Ain_t prerock jb unsorted
                                      'tag_artist'  Jack Jezzro
                                     'tag_release'  Gershwin on Guitar
                                       'tag_title'  It Ain't Necessarily So
                                             'bpm'  124.7
                                    'search_title'  'ain':2 'aint':4 'it':1 'necessarily':5 'so':6 't':3
                                   'search_artist'  'jack':1 'jezzro':2
                                  'search_release'  'gershwin':1 'guitar':3 'on':2
                                     'search_rest'  '2011':7 '320':10 'ain':11 'country':4 'exotica':2 'gershwin':8 'guitar':9 'jack':5 'jazz':1 'jb':14 'jezzro':6 'oldies':3 'prerock':13 't':12 'unsorted':15
                                    'search_combo'  '2011':18 '320':21 'ain':2A,22 'aint':4A 'country':15 'exotica':13 'gershwin':9C,19 'guitar':11C,20 'it':1A 'jack':7B,16 'jazz':12 'jb':25 'jezzro':8B,17 'necessarily':5A 'oldies':14 'on':10C 'prerock':24 'so':6A 't':3A,23 'unsorted':26
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-2', 'Q-OLDST-1', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['guitar', 'jazz guitar', 'jazz peppermint', 'jazz']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537818.4398546  (2021-05-09 07:23:38)
                             'size'  11054805