======================== unified (from filesystem) ========================
                                         'bitrate'  '115.007'
                                        'duration'  '82'
                                          'artist'  'Brian Cant & Freddie Phillips'
                                     'text_people'  ''
                                         'release'  'Dimitri - Folk, Rock, Pop & Instruments'
                                           'title'  'Camberwick Green'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '84.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Folk, Rock, Pop & Instruments'
'TBPM' (BPM (beats per minute))                     '84.3'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'Camberwick Green'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Cant & Freddie Phillips'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.676465'
'TXXX:youtube'                                      'hh7SgwiaQw8'

========================== row from database ==========================
                                              'id'  1477481
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FolkRockPopInstrumentals/Brian Cant & Freddie Phillips - Camberwick Green-hh7SgwiaQw8.mp3
                                         'working'  None
                                         'bitrate'  115
                                    'duration_sec'  82
                                           'genre'  ifs-songwriter
                                        'filesize'  1182772
                                           'mtime'  1637329482
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FolkRockPopInstrumentals hh7SgwiaQw8 ifs songwriter
                                      'tag_artist'  Brian Cant & Freddie Phillips
                                     'tag_release'  Dimitri - Folk, Rock, Pop & Instruments
                                       'tag_title'  Camberwick Green
                                             'bpm'  84.3
                                    'search_title'  'camberwick':1 'green':2
                                   'search_artist'  'brian':1 'cant':2 'freddie':3 'phillips':4
                                  'search_release'  'dimitri':1 'folk':2,3 'instruments':7 'pop':6 'rock':4,5
                                     'search_rest'  'folk':5 'folkrockpopinstrumentals':1 'hh7sgwia':9 'hh7sgwiaqw8':2 'ifs':3 'instrumentals':8 'pop':7 'qw8':10 'rock':6 'songwriter':4
                                    'search_combo'  'brian':3B 'camberwick':1A 'cant':4B 'dimitri':7C 'folk':8C,9C,18 'folkrockpopinstrumentals':14 'freddie':5B 'green':2A 'hh7sgwia':22 'hh7sgwiaqw8':15 'ifs':16 'instrumentals':21 'instruments':13C 'phillips':6B 'pop':12C,20 'qw8':23 'rock':10C,11C,19 'songwriter':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329482.0851898  (2021-11-19 14:44:42)
                             'size'  1182772