======================== unified (from filesystem) ========================
                                         'bitrate'  '183.855'
                                        'duration'  '40'
                                          'artist'  'S. Mcloughlin & A. Cooper'
                                     'text_people'  ''
                                         'release'  'Natural Lancashire / Supernatural Lancashire LP'
                                           'title'  'Natural Landcashire #8'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['fairy tale folk', 'lullaby folk', 'dream folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '135.8'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Natural Lancashire / Supernatural Lancashire LP'
'TBPM' (BPM (beats per minute))                     '135.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Lame 3.97'
'TIT2' (Title/songname/content description)         'Natural Landcashire #8'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'S. Mcloughlin & A. Cooper'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fairy tale folk', 'lullaby folk', 'dream folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.74 dB'
'TXXX:replaygain_track_peak'                        '0.297320'

========================== row from database ==========================
                                              'id'  1380770
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/S. Mcloughlin & A. Cooper - Natural Lancashire _ Supernatural Lancashire LP/08 Natural Landcashire #8.mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  40
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  937744
                                           'mtime'  1636400744
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos _ 08 ifs songwriter folk
                                      'tag_artist'  S. Mcloughlin & A. Cooper
                                     'tag_release'  Natural Lancashire / Supernatural Lancashire LP
                                       'tag_title'  Natural Landcashire #8
                                             'bpm'  135.8
                                    'search_title'  '8':3,4 'landcashire':2 'natural':1
                                   'search_artist'  'a':4,5 'cooper':6 'mcloughlin':3 's':1,2
                                  'search_release'  'lancashire':2 'lp':4 'natural':1 'supernatural':3
                                     'search_rest'  '00singer':1 'eos':3 'folk':5 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':15 '8':3A,4A 'a':8B,9B 'cooper':10B 'eos':17 'folk':19 'ifs':18 'lancashire':12C 'landcashire':2A 'lp':14C 'mcloughlin':7B 'natural':1A,11C 's':5B,6B 'songwriter':16 'supernatural':13C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'Q-PLAY-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['fairy tale folk', 'lullaby folk', 'dream folk']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400743.5493402  (2021-11-08 20:45:43)
                             'size'  937744