======================== unified (from filesystem) ========================
                                         'bitrate'  '187.917'
                                        'duration'  '153'
                                          'artist'  'Anja Garbarek'
                                     'text_people'  ''
                                         'release'  'Smiling & Waving'
                                           'title'  'Her Room'
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                                      'lastfmtags'  "['female vocalists', 'jazz', 'trip hop', 'electronic', 'norwegian']"
                                     'discogstags'  "['electronic', 'trip hop', 'future jazz', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-pl-sced'
                                             'bpm'  '116.120'
                                             'key'  '4A'
                                        'acoustid'  'd32a83e3-5165-4e16-a693-a57055853d89'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '116.120'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-pl-sced']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-03-26'
'TIT2' (Title/songname/content description)         'Her Room'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Anja Garbarek'
'TPE2' (Band/orchestra/accompaniment)               'Anja Garbarek'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Records Norway'
'TRCK' (Track number/Position in set)               '1/10'
'TSO2'                                              'Garbarek, Anja'
'TSOP' (Performer sort order)                       'Garbarek, Anja'
'TSRC' (ISRC (international standard recording code))  'NOAHV0061010'
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'TXXX:MusicBrainz Album Id'                         'd9d96961-5a1a-4043-9233-177b920f2773'
'TXXX:MusicBrainz Album Release Country'            'NO'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'trip hop', 'future jazz', 'downtempo']
'TXXX:lastfmtags'                                   ['female vocalists', 'jazz', 'trip hop', 'electronic', 'norwegian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
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'TXXX:q-other'                                      '2'
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'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.800621'
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========================== row from database ==========================
                                              'id'  1383189
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Anja Garbarek/[2001] Smiling & Waving/01 Her Room.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  153
                                           'genre'  prerock-jb-jazz-unsorted;set-pl-sced
                                        'filesize'  3634560
                                           'mtime'  1620528159
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country [2001] 01 prerock jb jazz unsorted;set pl sced
                                      'tag_artist'  Anja Garbarek
                                     'tag_release'  Smiling & Waving
                                       'tag_title'  Her Room
                                             'bpm'  116.12
                                    'search_title'  'her':1 'room':2
                                   'search_artist'  'anja':1 'garbarek':2
                                  'search_release'  'smiling':1 'waving':2
                                     'search_rest'  '2001':5,6 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'pl':13 'prerock':7 'sced':14 'set':10,12 'unsorted':9,11
                                    'search_combo'  '2001':11,12 'anja':3B 'country':10 'exotica':8 'garbarek':4B 'her':1A 'jazz':7 'jb':14 'oldies':9 'pl':19 'prerock':13 'room':2A 'sced':20 'set':16,18 'smiling':5C 'unsorted':15,17 'waving':6C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'jazz', 'trip hop', 'electronic', 'norwegian']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'trip hop', 'future jazz', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620528158.8785427  (2021-05-09 04:42:38)
                             'size'  3634560