======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '250'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  '20 Spirit of America'
                                           'title'  'Ave Maria'
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                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '143.8'
                                             'key'  '5B'
                                        'acoustid'  '90d7f0aa-1ae6-4e7d-8fe6-517e2ac38328'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '20 Spirit of America'
'TBPM' (BPM (beats per minute))                     '143.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-01-27'
'TIT2' (Title/songname/content description)         'Ave Maria'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Madacy Records'
'TRCK' (Track number/Position in set)               '9/20'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/)'
'TXXX:ASIN'                                         'B00016XNMA'
'TXXX:Acoustid Id'                                  '90d7f0aa-1ae6-4e7d-8fe6-517e2ac38328'
'TXXX:Artists'                                      '101 Strings Orchestra'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         '6c7bf351-3511-426d-b6f1-a5e1ed6cc89c'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Release Group Id'                 '10b4e8ff-4c16-3f84-b160-cc799de2f0cd'
'TXXX:MusicBrainz Release Track Id'                 '8f0e1bd5-f315-3f52-8cdc-7fa262a65770'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.442656'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4ae85388-4051-475b-a947-75e44c647496')

========================== row from database ==========================
                                              'id'  1479333
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/2004 - 20 Spirit of America/09 - Ave Maria [Schubert].mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  250
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  4055828
                                           'mtime'  1621705584
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 2004 09 [Schubert] electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  20 Spirit of America
                                       'tag_title'  Ave Maria
                                             'bpm'  143.8
                                    'search_title'  'ave':1 'maria':2
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  '20':1 'america':4 'of':3 'spirit':2
                                     'search_rest'  '2004':6 'country':4 'easy':13 'electronic':9 'exotica':2 'generic':10 'jazz':1 'listening':14 'oldies':3 'or':11 'radio':12 'schubert':7,8 'the':5
                                    'search_combo'  '101':3B '20':6C '2004':15 'america':9C 'ave':1A 'country':13 'easy':22 'electronic':18 'exotica':11 'generic':19 'jazz':10 'listening':23 'maria':2A 'of':8C 'oldies':12 'or':20 'orchestra':5B 'radio':21 'schubert':16,17 'spirit':7C 'strings':4B 'the':14
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-1']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705583.6251328  (2021-05-22 19:46:23)
                             'size'  4055828