======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '533'
                                          'artist'  'Phonophani'
                                     'text_people'  ''
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                                           'title'  'Saltwater'
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                                      'lastfmtags'  "['norwegian/rune grammofon/electronic/experimental/ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '8'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '145.5'
                                             'key'  '6A'
                                        'acoustid'  'e4a3be5a-d3b8-4a13-8a46-9d890a35cb20'
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-03-29'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['', 'Espen Sommer Eide']])
'TIT2' (Title/songname/content description)         'Saltwater'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Phonophani'
'TPE2' (Band/orchestra/accompaniment)               'Phonophani'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rune Grammofon'
'TRCK' (Track number/Position in set)               '3/8'
'TSO2'                                              'Phonophani'
'TSOP' (Performer sort order)                       'Phonophani'
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'TXXX:Artists'                                      'Phonophani'
'TXXX:BARCODE'                                      '7033662020164'
'TXXX:CATALOGNUMBER'                                'RCD 2016'
'TXXX:DISCOGS_CATALOG'                              'RCD 2016'
'TXXX:DISCOGS_COUNTRY'                              'Norway'
'TXXX:DISCOGS_RELEASED'                             '29 Mar 2001'
'TXXX:DISCOGS_RELEASE_ID'                           '11208'
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'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:STYLE'                                        'Glitch/Experimental/Ambient'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   'norwegian/rune grammofon/electronic/experimental/ambient'
'TXXX:originalyear'                                 '2001'
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========================== row from database ==========================
                                              'id'  452238
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/phonophani/phonophani - genetic engineering/03 saltwater.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  533
                                           'genre'  electronic-ambient
                                        'filesize'  17101446
                                           'mtime'  1636910459
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm phonophani phonophani genetic engineering 03 saltwater electronic ambient
                                      'tag_artist'  Phonophani
                                     'tag_release'  Genetic Engineering
                                       'tag_title'  Saltwater
                                             'bpm'  145.5
                                    'search_title'  'saltwater':1
                                   'search_artist'  'phonophani':1
                                  'search_release'  'engineering':2 'genetic':1
                                     'search_rest'  'ambient':6 'electronic':5 'engineering':3 'genetic':2 'phonophani':1 'saltwater':4
                                    'search_combo'  'ambient':10 'electronic':9 'engineering':4C,7 'genetic':3C,6 'phonophani':2B,5 'saltwater':1A,8
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['norwegian/rune grammofon/electronic/experimental/ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910459.0434706  (2021-11-14 18:20:59)
                             'size'  17101446