======================== unified (from filesystem) ========================
                                         'bitrate'  '211.726'
                                        'duration'  '185'
                                          'artist'  'Beats Antique'
                                     'text_people'  ''
                                         'release'  'Collide'
                                           'title'  'Roustabouts (Bassnectar remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['world', 'electronic', 'tribal fusion', 'belly dance', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '13'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '88.015'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Collide'
'TBPM' (BPM (beats per minute))                     '88.015'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Roustabouts (Bassnectar remix)'
'TKEY' (Initial key)                                '9B'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Beats Antique'
'TPE2' (Band/orchestra/accompaniment)               'Beats Antique'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Copeland International Artists'
'TRCK' (Track number/Position in set)               '13/13'
'TXXX:ALBUMARTISTSORT'                              'Beats Antique'
'TXXX:ASIN'                                         'B001D5F3IU'
'TXXX:BARCODE'                                      '0894169005620'
'TXXX:CATALOGNUMBER'                                '941 690 056 2'
'TXXX:MusicBrainz Album Artist Id'                  '5eb38f71-96c3-48a3-9b69-2995cfb74982'
'TXXX:MusicBrainz Album Id'                         '1eab36de-5f0e-41aa-a902-74ba3d5f774f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5eb38f71-96c3-48a3-9b69-2995cfb74982'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['world', 'electronic', 'tribal fusion', 'belly dance', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+13.24 dB'
'TXXX:replaygain_track_peak'                        '0.073884'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'06fd1f91-ddd5-4d89-8937-9f4d81a88601')

========================== row from database ==========================
                                              'id'  926212
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Beats Antique - Collide/13 - Roustabout (Bassnectar Remix).mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  185
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  4970546
                                           'mtime'  1620528232
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east 13 Remix) loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Beats Antique
                                     'tag_release'  Collide
                                       'tag_title'  Roustabouts (Bassnectar remix)
                                             'bpm'  88.015
                                    'search_title'  'bassnectar':2,3 'remix':4,5 'roustabouts':1
                                   'search_artist'  'antique':2 'beats':1
                                  'search_release'  'collide':1
                                     'search_rest'  '00south':1 'balkan':11 'brass':16 'east':4 'europe':2 'gypsy':9 'klezmer':12,14 'loc':7 'mi':13,15 'middle':3 'or':10 'remix':5,6 'style':8
                                    'search_combo'  '00south':9 'antique':7B 'balkan':19 'bassnectar':2A,3A 'beats':6B 'brass':24 'collide':8C 'east':12 'europe':10 'gypsy':17 'klezmer':20,22 'loc':15 'mi':21,23 'middle':11 'or':18 'remix':4A,5A,13,14 'roustabouts':1A 'style':16
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['world', 'electronic', 'tribal fusion', 'belly dance', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620528231.5136511  (2021-05-09 04:43:51)
                             'size'  4970546