======================== unified (from filesystem) ========================
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                                        'duration'  '248'
                                          'artist'  'Toktok vs. Soffy O.'
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                                           'title'  'Day of Mine (Ludicrous Idiots)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
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                                      'lastfmtags'  "['electronica', 'german', 'electroclash', 'electronic', 'electro']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '131.926'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Toktok vs. Soffy O.'
'TBPM' (BPM (beats per minute))                     '131.926'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2003-01-27'
'TIT2' (Title/songname/content description)         'Day of Mine (Ludicrous Idiots)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Toktok vs. Soffy O.'
'TPE2' (Band/orchestra/accompaniment)               'Toktok vs. Soffy O.'
'TPUB' (Publisher)                                  'Code Blue'
'TRCK' (Track number/Position in set)               '1/12'
'TSOP' (Performer sort order)                       'Toktok vs. Soffy O.'
'TXXX:ALBUMARTISTSORT'                              'Toktok vs. Soffy O.'
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'TXXX:MusicBrainz Album Artist Id'                  '616144f7-2e98-4a91-90d3-a5caa4328478'
'TXXX:MusicBrainz Album Id'                         'df1fe9de-34e8-4cf7-9ded-552935afbfef'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '616144f7-2e98-4a91-90d3-a5caa4328478'
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'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:first_played_timestamp'                       '129127010778717477'
'TXXX:last_played_timestamp'                        '129127010778717477'
'TXXX:lastfmtags'                                   ['electronica', 'german', 'electroclash', 'electronic', 'electro']
'TXXX:play_count'                                   '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '3'
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'TXXX:replaygain_track_gain'                        '+7.62 dB'
'TXXX:replaygain_track_peak'                        '0.147097'

========================== row from database ==========================
                                              'id'  1282658
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Toktok vs. Soffy O.-Toktok vs. Soffy O.-01-Day of Mine (Ludicrous Idiots).mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  248
                                           'genre'  electronic-we-electro
                                        'filesize'  5980000
                                           'mtime'  1621697844
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 electronic we electro
                                      'tag_artist'  Toktok vs. Soffy O.
                                     'tag_release'  Toktok vs. Soffy O.
                                       'tag_title'  Day of Mine (Ludicrous Idiots)
                                             'bpm'  131.926
                                    'search_title'  'day':1 'idiots':6,7 'ludicrous':4,5 'mine':3 'of':2
                                   'search_artist'  'o':5,6 'soffy':4 'toktok':1 'vs':2,3
                                  'search_release'  'o':5,6 'soffy':4 'toktok':1 'vs':2,3
                                     'search_rest'  '00poprockelectronic':1 'electro':9 'electronic':7 'files':5,6 'loose':3,4 'unsorted':2 'we':8
                                    'search_combo'  '00poprockelectronic':20 'day':1A 'electro':28 'electronic':26 'files':24,25 'idiots':6A,7A 'loose':22,23 'ludicrous':4A,5A 'mine':3A 'o':12B,13B,18C,19C 'of':2A 'soffy':11B,17C 'toktok':8B,14C 'unsorted':21 'vs':9B,10B,15C,16C 'we':27
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'german', 'electroclash', 'electronic', 'electro']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621697844.4008832  (2021-05-22 17:37:24)
                             'size'  5980000