======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '136'
                                          'artist'  'The Skillalah'
                                     'text_people'  ''
                                         'release'  'Irlands Finest'
                                           'title'  'Rare Old Mountain Dew'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['folk', '10 of 10 stars', 'irish', 'male vocalists', 'celtic']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '113.389'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '2000s'
'COMM:Songs-DB_Custom1:eng'                         '2000s'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Irlands Finest'
'TBPM' (BPM (beats per minute))                     '113.389'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Rare Old Mountain Dew'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dubliners'
'TPE2' (Band/orchestra/accompaniment)               'The Skillalah'
'TPUB' (Publisher)                                  'EDEL Italia'
'TRCK' (Track number/Position in set)               '5'
'TSOP' (Performer sort order)                       'Skillalah, The'
'TXXX:ALBUMARTISTSORT'                              'Skillalah, The'
'TXXX:CATALOGNUMBER'                                'TP-313'
'TXXX:FMPS_Rating'                                  '0.4'
'TXXX:MusicBrainz Album Artist Id'                  '968d55b5-e9fc-4d08-bc75-5c43521bd0e7'
'TXXX:MusicBrainz Album Id'                         '1c792a87-afce-4591-9268-1fc2e181307f'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '968d55b5-e9fc-4d08-bc75-5c43521bd0e7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['folk', '10 of 10 stars', 'irish', 'male vocalists', 'celtic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.83 dB'
'TXXX:replaygain_track_peak'                        '0.713430'

========================== row from database ==========================
                                              'id'  1304272
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/The Dubliners__cifs26f3.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  136
                                           'genre'  ifs-unsorted
                                        'filesize'  2181465
                                           'mtime'  1621630232
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Dubliners__cifs26f3 ifs unsorted
                                      'tag_artist'  The Skillalah
                                     'tag_release'  Irlands Finest
                                       'tag_title'  Rare Old Mountain Dew
                                             'bpm'  113.389
                                    'search_title'  'dew':4 'mountain':3 'old':2 'rare':1
                                   'search_artist'  'skillalah':2 'the':1
                                  'search_release'  'finest':2 'irlands':1
                                     'search_rest'  '00poprockelectronic':1 'cifs26f3':8 'dubliners':7 'files':5,6 'ifs':9 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'cifs26f3':16 'dew':4A 'dubliners':15 'files':13,14 'finest':8C 'ifs':17 'irlands':7C 'loose':11,12 'mountain':3A 'old':2A 'rare':1A 'skillalah':6B 'the':5B 'unsorted':10
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['folk', '10 of 10 stars', 'irish', 'male vocalists', 'celtic']
                                        'tag_date'  2006
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621630232.407614  (2021-05-21 22:50:32)
                             'size'  2181465