======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Sufjan Stevens'
                                     'text_people'  ''
                                         'release'  'The Avalanche'
                                           'title'  'For Clyde Tombaugh'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock', 'acoustic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '21'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '135.0'
                                             'key'  '6A'
                                        'acoustid'  'ecf35a4a-1ac9-4417-9433-8a63834c6ad0'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Avalanche'
'TBPM' (BPM (beats per minute))                     '135.0'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-07-11'
'TIT2' (Title/songname/content description)         'For Clyde Tombaugh'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sufjan Stevens'
'TPE2' (Band/orchestra/accompaniment)               'Sufjan Stevens'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Asthmatic Kitty Records'
'TRCK' (Track number/Position in set)               '18/21'
'TSO2'                                              'Stevens, Sufjan'
'TSOP' (Performer sort order)                       'Stevens, Sufjan'
'TXXX:ASIN'                                         'B000FMGWKU'
'TXXX:Acoustid Id'                                  'ecf35a4a-1ac9-4417-9433-8a63834c6ad0'
'TXXX:BARCODE'                                      '656605830223'
'TXXX:CATALOGNUMBER'                                'AKR022'
'TXXX:MusicBrainz Album Artist Id'                  '01d3c51b-9b98-418a-8d8e-37f6fab59d8c'
'TXXX:MusicBrainz Album Id'                         '84d537c0-bc24-43dc-ba55-377c25e9c17a'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '01d3c51b-9b98-418a-8d8e-37f6fab59d8c'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'acoustic']
'TXXX:lastfmtags'                                   ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.586933'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1c6da36f-53fa-497c-9737-1d0cf47da938')

========================== row from database ==========================
                                              'id'  1277717
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sufjan Stevens/The Avalanche/Sufjan Stevens - For Clyde Tombaugh.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3574320
                                           'mtime'  1636759509
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ifs songwriter indie unsorted
                                      'tag_artist'  Sufjan Stevens
                                     'tag_release'  The Avalanche
                                       'tag_title'  For Clyde Tombaugh
                                             'bpm'  135.0
                                    'search_title'  'clyde':2 'for':1 'tombaugh':3
                                   'search_artist'  'stevens':2 'sufjan':1
                                  'search_release'  'avalanche':2 'the':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2 'unsorted':6
                                    'search_combo'  '00singer':8 'avalanche':7C 'clyde':2A 'eos':10 'for':1A 'ifs':11 'indie':12 'songwriter':9 'stevens':5B 'sufjan':4B 'the':6C 'tombaugh':3A 'unsorted':13
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'folk rock', 'acoustic']

============================== file details ==============================
                                           'mtime'  1636759509.1636326  (2021-11-13 00:25:09)
                             'size'  3574320