======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '114'
                                          'artist'  'The Holy Modal Rounders'
                                     'text_people'  ''
                                         'release'  '1 & 2'
                                           'title'  'Sugar in the Gourd'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-2', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['psychedelic folk', 'bluegrass', 'psychedelic', 'folk', 'psych folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-psychedelic'
                                             'bpm'  '111.0'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     '1 & 2'
'TBPM' (BPM (beats per minute))                     '111.0'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-psychedelic'
'TDRC' (Recording time)                             '1964'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'Sugar in the Gourd'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Holy Modal Rounders'
'TPE2' (Band/orchestra/accompaniment)               'The Holy Modal Rounders'
'TPUB' (Publisher)                                  'Fantasy'
'TRCK' (Track number/Position in set)               '6'
'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:lastfmtags'                                   ['psychedelic folk', 'bluegrass', 'psychedelic', 'folk', 'psych folk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.07 dB'
'TXXX:replaygain_track_peak'                        '0.488130'

========================== row from database ==========================
                                              'id'  1377829
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Holy Modal Rounders/The Holy Modal Rounders - Vol. 1 & 2 (1964-1965)/06 - Sugar in the Gourd.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  114
                                           'genre'  ifs-songwriter-psychedelic
                                        'filesize'  1830974
                                           'mtime'  1622760117
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Vol. (1964 1965) 06 ifs songwriter psychedelic
                                      'tag_artist'  The Holy Modal Rounders
                                     'tag_release'  1 & 2
                                       'tag_title'  Sugar in the Gourd
                                             'bpm'  111.0
                                    'search_title'  'gourd':4 'in':2 'sugar':1 'the':3
                                   'search_artist'  'holy':2 'modal':3 'rounders':4 'the':1
                                  'search_release'  '1':1 '2':2
                                     'search_rest'  '00singer':1 '1964':6,7 '1965':8,9 'eos':3 'ifs':10 'psychedelic':11 'songwriter':2 'vol':4,5
                                    'search_combo'  '00singer':11 '1':9C '1964':16,17 '1965':18,19 '2':10C 'eos':13 'gourd':4A 'holy':6B 'ifs':20 'in':2A 'modal':7B 'psychedelic':21 'rounders':8B 'songwriter':12 'sugar':1A 'the':3A,5B 'vol':14,15
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic folk', 'bluegrass', 'psychedelic', 'folk', 'psych folk']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622760117.2710648  (2021-06-04 00:41:57)
                             'size'  1830974