======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '153'
                                          'artist'  'Kathryn Williams'
                                     'text_people'  ''
                                         'release'  'Little Black Numbers'
                                           'title'  'Morning Song'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'alternative', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'acoustic', 'ethereal', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '121.482'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Little Black Numbers'
'TBPM' (BPM (beats per minute))                     '121.482'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Morning Song'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kathryn Williams'
'TRCK' (Track number/Position in set)               '9'
'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:discogstags'                                  ['rock', 'folk, world, & country', 'acoustic', 'ethereal', 'folk']
'TXXX:lastfmtags'                                   ['acoustic', 'alternative', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:original release date'                        ['2000', '2017']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.589007'

========================== row from database ==========================
                                              'id'  1538947
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Kathryn Williams__Little Black Numbers__cifs771f.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  loc-unsorted
                                        'filesize'  2461696
                                           'mtime'  1676052926
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Williams__Little Numbers__cifs771f loc unsorted
                                      'tag_artist'  Kathryn Williams
                                     'tag_release'  Little Black Numbers
                                       'tag_title'  Morning Song
                                             'bpm'  121.482
                                    'search_title'  'morning':1 'song':2
                                   'search_artist'  'kathryn':1 'williams':2
                                  'search_release'  'black':2 'little':1 'numbers':3
                                     'search_rest'  '00mid':1 'cifs771f':7 'europe':3 'little':5 'loc':8 'north':2 'numbers':6 'unsorted':9 'williams':4
                                    'search_combo'  '00mid':8 'black':6C 'cifs771f':14 'europe':10 'kathryn':3B 'little':5C,12 'loc':15 'morning':1A 'north':9 'numbers':7C,13 'song':2A 'unsorted':16 'williams':4B,11
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['acoustic', 'alternative', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2017
                                     'discogstags'  ['rock', 'folk, world, & country', 'acoustic', 'ethereal', 'folk']

============================== file details ==============================
                                           'mtime'  1676052925.6098711  (2023-02-10 19:15:25)
                             'size'  2461696