======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '202'
                                          'artist'  'Goldfish'
                                     'text_people'  ''
                                         'release'  'Perceptions of Pacha'
                                           'title'  'Cruising Through [Radio Edit]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'electronica', 'south african', 'downtempo', 'chillout']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '141.019'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:ID3v1 Comment:XXX'                            '0'
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'TALB' (Album/Movie/Show title)                     'Perceptions of Pacha'
'TBPM' (BPM (beats per minute))                     '141.019'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes 8.1.1.10'
'TIT2' (Title/songname/content description)         'Cruising Through [Radio Edit]'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Goldfish'
'TPE2' (Band/orchestra/accompaniment)               'Goldfish'
'TPUB' (Publisher)                                  'Pacha'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['lounge', 'electronica', 'south african', 'downtempo', 'chillout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.69 dB'
'TXXX:replaygain_track_peak'                        '0.539881'

========================== row from database ==========================
                                              'id'  1256105
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Goldfish - Perceptions of Pacha/12_Goldfish - Cruising Through [Radi.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  202
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  5486013
                                           'mtime'  1620529822
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 12_Goldfish prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Goldfish
                                     'tag_release'  Perceptions of Pacha
                                       'tag_title'  Cruising Through [Radio Edit]
                                             'bpm'  141.019
                                    'search_title'  'cruising':1 'edit':5,6 'radio':3,4 'through':2
                                   'search_artist'  'goldfish':1
                                  'search_release'  'of':2 'pacha':3 'perceptions':1
                                     'search_rest'  '12':5 'bossa':11 'country':4 'exotica':2 'goldfish':6 'jazz':1 'jb':8 'lounge':9 'oldies':3 'or':10 'prerock':7
                                    'search_combo'  '12':15 'bossa':21 'country':14 'cruising':1A 'edit':5A,6A 'exotica':12 'goldfish':7B,16 'jazz':11 'jb':18 'lounge':19 'of':9C 'oldies':13 'or':20 'pacha':10C 'perceptions':8C 'prerock':17 'radio':3A,4A 'through':2A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'electronica', 'south african', 'downtempo', 'chillout']
                                        'tag_date'  2008
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620529821.8541822  (2021-05-09 05:10:21)
                             'size'  5486013