======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '335'
                                          'artist'  'Sun Kil Moon'
                                     'text_people'  'Mark Kozelek'
                                         'release'  'Benji'
                                           'title'  'Richard Ramirez Died Today of Natural Causes'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['indie', 'americana', 'indie rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '106.700'
                                             'key'  '8A'
                                        'acoustid'  '0c66e4c2-0f0b-444f-beae-59f1cce81477'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '9C0E830B+278790+11+150+31315'
'COMM:iTunes_CDDB_1:eng'                            '9C0E830B+278790+11+150+31315+49239+66928+92182+110797+126847+155049+202369+227517+255032'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '9'
'TALB' (Album/Movie/Show title)                     'Benji'
'TBPM' (BPM (beats per minute))                     '106.700'
'TCOM' (Composer)                                   'Mark Kozelek'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014-02-11'
'TENC' (Encoded by)                                 'iTunes 11.1.3'
'TIT2' (Title/songname/content description)         'Richard Ramirez Died Today of Natural Causes'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sun Kil Moon'
'TPE2' (Band/orchestra/accompaniment)               'Sun Kil Moon'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Caldo Verde Records'
'TRCK' (Track number/Position in set)               '9/11'
'TSO2'                                              'Sun Kil Moon'
'TSOP' (Performer sort order)                       'Sun Kil Moon'
'TSRC' (ISRC (international standard recording code))  'USA2B1400043'
'TXXX:Acoustid Id'                                  '0c66e4c2-0f0b-444f-beae-59f1cce81477'
'TXXX:BARCODE'                                      '634457642126'
'TXXX:CATALOGNUMBER'                                'CV 029'
'TXXX:MusicBrainz Album Artist Id'                  'ef2c6449-d02b-415b-ad8c-c14c08266552'
'TXXX:MusicBrainz Album Id'                         'b5d5a923-0adc-47d4-847a-421cbe5823dc'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ef2c6449-d02b-415b-ad8c-c14c08266552'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'americana', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.479453'

========================== row from database ==========================
                                              'id'  1241729
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sun Kil Moon - Benji/09 Richard Ramirez Died Today Of Natural Causes.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  335
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  13417482
                                           'mtime'  1636400441
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 09 Of ifs songwriter indie
                                      'tag_artist'  Sun Kil Moon
                                     'tag_release'  Benji
                                       'tag_title'  Richard Ramirez Died Today of Natural Causes
                                             'bpm'  106.7
                                    'search_title'  'causes':7 'died':3 'natural':6 'of':5 'ramirez':2 'richard':1 'today':4
                                   'search_artist'  'kil':2 'moon':3 'sun':1
                                  'search_release'  'benji':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':5 'indie':6 'of':4 'songwriter':2
                                    'search_combo'  '00singer':12 'benji':11C 'causes':7A 'died':3A 'eos':14 'ifs':16 'indie':17 'kil':9B 'moon':10B 'natural':6A 'of':5A,15 'ramirez':2A 'richard':1A 'songwriter':13 'sun':8B 'today':4A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'americana', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2014
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636400440.7186472  (2021-11-08 20:40:40)
                             'size'  13417482