======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '11'
                                          'artist'  'The Fugs'
                                     'text_people'  ''
                                         'release'  'It Crawled Into My Hand, Honest'
                                           'title'  'Leprechaun'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['proto punk', 'psychedelic rock', '60s', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '21'
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;set-pl-mor'
                                             'bpm'  '92.9'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'set-pl-mor']
'TDOR' (Original release time)                      '1968'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Leprechaun'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Fugs'
'TPE2' (Band/orchestra/accompaniment)               'The Fugs'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Reprise Records'
'TRCK' (Track number/Position in set)               '8/21'
'TSO2'                                              'Fugs, The'
'TSOP' (Performer sort order)                       'Fugs, The'
'TXXX:Artists'                                      'The Fugs'
'TXXX:CATALOGNUMBER'                                'RS 6305'
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'TXXX:MusicBrainz Album Id'                         '4840c459-c38a-3bc5-a81d-bc0ebdd4a748'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '88b1dd15-34d9-4214-861c-045e872162a6'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['proto punk', 'psychedelic rock', '60s', 'psychedelic', 'rock']
'TXXX:originalyear'                                 '1968'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.24 dB'
'TXXX:replaygain_track_peak'                        '0.415788'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd7c0e746-4ff7-4fe9-a093-0a801f51edaa')

========================== row from database ==========================
                                              'id'  1412653
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Fugs - It Crawled Into My Hand, Honest/08 - leprechaun.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  11
                                           'genre'  rock-cppex-psychedelic;set-pl-mor
                                        'filesize'  544981
                                           'mtime'  1620737155
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 08 leprechaun rock cppex psychedelic;set pl mor
                                      'tag_artist'  The Fugs
                                     'tag_release'  It Crawled Into My Hand, Honest
                                       'tag_title'  Leprechaun
                                             'bpm'  92.9
                                    'search_title'  'leprechaun':1
                                   'search_artist'  'fugs':2 'the':1
                                  'search_release'  'crawled':2 'hand':5,6 'honest':7 'into':3 'it':1 'my':4
                                     'search_rest'  'classicprogpsy':1 'cppex':4 'leprechaun':2 'mor':10 'pl':9 'psychedelic':5,7 'rock':3 'set':6,8
                                    'search_combo'  'classicprogpsy':11 'cppex':14 'crawled':5C 'fugs':3B 'hand':8C,9C 'honest':10C 'into':6C 'it':4C 'leprechaun':1A,12 'mor':20 'my':7C 'pl':19 'psychedelic':15,17 'rock':13 'set':16,18 'the':2B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['proto punk', 'psychedelic rock', '60s', 'psychedelic', 'rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1620737154.928189  (2021-05-11 14:45:54)
                             'size'  544981