======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '295'
                                          'artist'  'Damien Jurado'
                                     'text_people'  'Damien Jurado'
                                         'release'  'Rehearsals for Departure'
                                           'title'  'Curbside'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['americana', 'indie rock', 'indie', 'acoustic', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '135.910'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Rehearsals for Departure'
'TBPM' (BPM (beats per minute))                     '135.910'
'TCOM' (Composer)                                   'Damien Jurado'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Curbside'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Damien Jurado'
'TPE2' (Band/orchestra/accompaniment)               'Damien Jurado'
'TPUB' (Publisher)                                  'Sub Pop'
'TRCK' (Track number/Position in set)               '3'
'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:lastfmtags'                                   ['americana', 'indie rock', 'indie', 'acoustic', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.16 dB'
'TXXX:replaygain_track_peak'                        '0.610142'

========================== row from database ==========================
                                              'id'  1268364
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Damien Jurado/Rehearsals for Departure/03 curbside.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  295
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  4738143
                                           'mtime'  1636917161
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 03 curbside ifs songwriter indie unsorted
                                      'tag_artist'  Damien Jurado
                                     'tag_release'  Rehearsals for Departure
                                       'tag_title'  Curbside
                                             'bpm'  135.91
                                    'search_title'  'curbside':1
                                   'search_artist'  'damien':1 'jurado':2
                                  'search_release'  'departure':3 'for':2 'rehearsals':1
                                     'search_rest'  '00singer':1 'curbside':4 'eos':3 'ifs':5 'indie':6 'songwriter':2 'unsorted':7
                                    'search_combo'  '00singer':7 'curbside':1A,10 'damien':2B 'departure':6C 'eos':9 'for':5C 'ifs':11 'indie':12 'jurado':3B 'rehearsals':4C 'songwriter':8 'unsorted':13
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['americana', 'indie rock', 'indie', 'acoustic', 'folk', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917160.8364115  (2021-11-14 20:12:40)
                             'size'  4738143