======================== unified (from filesystem) ========================
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                                        'duration'  '298'
                                          'artist'  'Chancha Vía Circuito'
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                                           'title'  'Sueño en Paraguay (Psilosamples Remix)'
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '16'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'loc-samerica-argentina'
                                             'bpm'  '90.170'
                                             'key'  '12A'
                                        'acoustid'  '8f081abc-32f9-4209-9686-0d4dffdc07b0'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '90.170'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-argentina'
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2015-06-02'
'TENC' (Encoded by)                                 'iTunes 11.4'
'TIT2' (Title/songname/content description)         'Sueño en Paraguay (Psilosamples Remix)'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Chancha Vía Circuito'
'TPE2' (Band/orchestra/accompaniment)               'Chancha Vía Circuito'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/16'
'TSO2'                                              'Chancha Vía Circuito'
'TSOP' (Performer sort order)                       'Chancha Vía Circuito'
'TXXX:Acoustid Id'                                  '8f081abc-32f9-4209-9686-0d4dffdc07b0'
'TXXX:Artists'                                      'Chancha Vía Circuito'
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'TXXX:MusicBrainz Album Id'                         'f013e941-5e46-48b4-a754-c3a02664ab18'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        '22c82e36-c32c-4206-8a49-6d350cce992f'
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'TXXX:MusicBrainz Release Track Id'                 '367e065e-851c-4d34-aa9d-67932d280c2d'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['downtempo', 'electronic', 'latin']
'TXXX:lastfmtags'                                   ['digital cumbia', 'cumbia digital', 'dub', 'argentina', 'cumbia']
'TXXX:originalyear'                                 '2015'
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'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.417265'
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========================== row from database ==========================
                                              'id'  1263818
                                            'path'  /data/Music/Bulk/00localcharacter/Chancha Vía Circuito - Amansara Remixed/03- Sueño en Paraguay (Psilosamples remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  298
                                           'genre'  loc-samerica-argentina
                                        'filesize'  12094160
                                           'mtime'  1621629688
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 03 remix) loc samerica argentina
                                      'tag_artist'  Chancha Vía Circuito
                                     'tag_release'  Amansara Remixed
                                       'tag_title'  Sueño en Paraguay (Psilosamples Remix)
                                             'bpm'  90.17
                                    'search_title'  'en':3 'paraguay':4 'psilosamples':5,6 'remix':7,8 'sueno':1,2
                                   'search_artist'  'chancha':1 'circuito':4 'via':2,3
                                  'search_release'  'amansara':1 'remixed':2
                                     'search_rest'  'argentina':5 'loc':3 'remix':1,2 'samerica':4
                                    'search_combo'  'amansara':13C 'argentina':19 'chancha':9B 'circuito':12B 'en':3A 'loc':17 'paraguay':4A 'psilosamples':5A,6A 'remix':7A,8A,15,16 'remixed':14C 'samerica':18 'sueno':1A,2A 'via':10B,11B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['digital cumbia', 'cumbia digital', 'dub', 'argentina', 'cumbia']
                                        'tag_date'  2015
                                     'discogstags'  ['downtempo', 'electronic', 'latin']

============================== file details ==============================
                                           'mtime'  1621629688.0184834  (2021-05-21 22:41:28)
                             'size'  12094160