======================== unified (from filesystem) ========================
                                         'bitrate'  '174.366'
                                        'duration'  '62'
                                          'artist'  'Bonzo Dog Doo-Dah Band'
                                     'text_people'  ''
                                         'release'  'Gorilla'
                                           'title'  'I Left My Heart in San Francisco'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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                                      'lastfmtags'  "['alternative', 'comedy', 'humor', '60s', 'psychedelic']"
                                     'discogstags'  "['rock', 'pop', 'art rock', 'pop rock', 'novelty']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '15'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '98'
                                             'key'  '6B'
                                        'acoustid'  '172bd7c0-7b3b-46cf-ad5f-2de516635351'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Gorilla'
'TBPM' (BPM (beats per minute))                     '98'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '1967'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'I Left My Heart in San Francisco'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonzo Dog Doo-Dah Band'
'TPE2' (Band/orchestra/accompaniment)               'Bonzo Dog Doo-Dah Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Liberty Records'
'TRCK' (Track number/Position in set)               '4/15'
'TSO2'                                              'Bonzo Dog Band, The'
'TSOP' (Performer sort order)                       'Bonzo Dog Band, The'
'TXXX:ASIN'                                         'B003NXJK8O'
'TXXX:Acoustid Id'                                  '172bd7c0-7b3b-46cf-ad5f-2de516635351'
'TXXX:Artists'                                      'Bonzo Dog Doo/Dah Band'
'TXXX:CATALOGNUMBER'                                'LBL 83056'
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'TXXX:MusicBrainz Album Id'                         'c13aef17-9cc5-4fa5-9839-06856d69a510'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2fe8f530-861d-40ff-ac74-51f7e2701965'
'TXXX:MusicBrainz Release Group Id'                 'd2dabcdb-e869-3d3d-bad9-a01798a7b48e'
'TXXX:MusicBrainz Release Track Id'                 '5ef4b554-8705-4331-9afb-1d619fe39014'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop', 'art rock', 'pop rock', 'novelty']
'TXXX:lastfmtags'                                   ['alternative', 'comedy', 'humor', '60s', 'psychedelic']
'TXXX:originalyear'                                 '1967'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.25 dB'
'TXXX:replaygain_track_peak'                        '0.877048'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'77f6ef79-97d4-4dd0-9776-c823284ab9f3')

========================== row from database ==========================
                                              'id'  1295765
                                            'path'  /data/Music/Bulk/00spent/Bonzo Dog/1967 - Gorilla/04 - I Left My Heart In San Francisco.mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  62
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1449091
                                           'mtime'  1636916596
                                   'redo_metaread'  0
                                        'rest_str'   00spent 1967 04 In electronic experimental oddness
                                      'tag_artist'  Bonzo Dog Doo-Dah Band
                                     'tag_release'  Gorilla
                                       'tag_title'  I Left My Heart in San Francisco
                                             'bpm'  98.0
                                    'search_title'  'francisco':7 'heart':4 'i':1 'in':5 'left':2 'my':3 'san':6
                                   'search_artist'  'band':6 'bonzo':1 'dah':4 'dog':2 'doo':3 'doodah':5
                                  'search_release'  'gorilla':1
                                     'search_rest'  '00spent':1 '1967':2 'electronic':4 'experimental':5 'in':3 'oddness':6
                                    'search_combo'  '00spent':15 '1967':16 'band':13B 'bonzo':8B 'dah':11B 'dog':9B 'doo':10B 'doodah':12B 'electronic':18 'experimental':19 'francisco':7A 'gorilla':14C 'heart':4A 'i':1A 'in':5A,17 'left':2A 'my':3A 'oddness':20 'san':6A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'comedy', 'humor', '60s', 'psychedelic']
                                        'tag_date'  1967
                                     'discogstags'  ['rock', 'pop', 'art rock', 'pop rock', 'novelty']

============================== file details ==============================
                                           'mtime'  1636916595.9406614  (2021-11-14 20:03:15)
                             'size'  1449091