======================== unified (from filesystem) ========================
                                         'bitrate'  '284.516'
                                        'duration'  '190'
                                          'artist'  'Johnny Boy'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  'You Are the Generation That Bought More Shoes and You Get What You Deserve'
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                                      'lastfmtags'  "['indie', 'indie pop', 'swedish', '00s', 'pitchfork 500']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '121'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '134.824'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '134.824'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'You Are the Generation That Bought More Shoes and You Get What You Deserve'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Boy'
'TRCK' (Track number/Position in set)               '121'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'swedish', '00s', 'pitchfork 500']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+24.06 dB'
'TXXX:replaygain_track_peak'                        '0.016646'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/121 - Johnny Boy - You Are the Generation That Bought More Shoes and You Get What You Deserve.mp3
                                         'working'  None
                                         'bitrate'  284
                                    'duration_sec'  190
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  6783469
                                           'mtime'  1620573282
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 121 electronic generic radio unsorted
                                      'tag_artist'  Johnny Boy
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  You Are the Generation That Bought More Shoes and You Get What You Deserve
                                             'bpm'  134.824
                                    'search_title'  'and':9 'are':2 'bought':6 'deserve':12 'generation':4 'get':10 'more':7 'shoes':8 'that':5 'the':3 'what':11 'you':1
                                   'search_artist'  'boy':2 'johnny':1
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 '121':3 'electronic':4 'generic':5 'radio':6 'unsorted':7 'va':2
                                    'search_combo'  '00poprockelectronic':23 '121':25 '2000s':22C '500':19C 'and':9A 'are':2A 'bought':6A 'boy':14B 'deserve':12A 'electronic':26 'generation':4A 'generic':27 'get':10A 'johnny':13B 'more':7A 'of':21C 'pitchfork':15C,16C 'radio':28 'shoes':8A 'that':5A 'the':3A,17C 'top':18C 'tracks':20C 'unsorted':29 'va':24 'what':11A 'you':1A
                                    'tag_tracknum'  121
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'swedish', '00s', 'pitchfork 500']
                                        'tag_date'  2005
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1620573282.1546366  (2021-05-09 17:14:42)
                             'size'  6783469