======================== unified (from filesystem) ========================
                                         'bitrate'  '170.872'
                                        'duration'  '184'
                                          'artist'  'Cherish The Ladies'
                                     'text_people'  ''
                                         'release'  'St. Patrick spirit'
                                           'title'  'Three weeks we were wed'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['celtic', 'folk', 'irish', 'irish folk', 'world']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '20'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'loc-eur'
                                             'bpm'  '137.013'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '2B11BE14+340832+20+182+12420'
'COMM:iTunes_CDDB_1:eng'                            '2B11BE14+340832+20+182+12420+31875+50210+69450+99445+117447+130592+152847+168130+187385+201202+214717+229865+237365+269010+284622+293277+306912+327807'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '11'
'TALB' (Album/Movie/Show title)                     'St. Patrick spirit'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur'
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'iTunes X v2.0.4'
'TIT2' (Title/songname/content description)         'Three weeks we were wed'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cherish The Ladies'
'TRCK' (Track number/Position in set)               '11/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['celtic', 'folk', 'irish', 'irish folk', 'world']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.11 dB'
'TXXX:replaygain_track_peak'                        '0.420946'

========================== row from database ==========================
                                              'id'  1491846
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/11 Three weeks we were wed.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  184
                                           'genre'  loc-eur
                                        'filesize'  3938957
                                           'mtime'  1620534485
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 11 loc eur
                                      'tag_artist'  Cherish The Ladies
                                     'tag_release'  St. Patrick spirit
                                       'tag_title'  Three weeks we were wed
                                             'bpm'  137.013
                                    'search_title'  'three':1 'we':3 'wed':5 'weeks':2 'were':4
                                   'search_artist'  'cherish':1 'ladies':3 'the':2
                                  'search_release'  'patrick':3 'spirit':4 'st':1,2
                                     'search_rest'  '00dutch':4 '00mid':1 'eur':6 'europe':3 'loc':5 'north':2
                                    'search_combo'  '00dutch':16 '00mid':13 'cherish':6B 'eur':18 'europe':15 'ladies':8B 'loc':17 'north':14 'patrick':11C 'spirit':12C 'st':9C,10C 'the':7B 'three':1A 'we':3A 'wed':5A 'weeks':2A 'were':4A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10B
                                           '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-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['celtic', 'folk', 'irish', 'irish folk', 'world']
                                        'tag_date'  1992
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620534484.5192876  (2021-05-09 06:28:04)
                             'size'  3938957