======================== unified (from filesystem) ========================
                                         'bitrate'  '175.039'
                                        'duration'  '215'
                                          'artist'  'Sting'
                                     'text_people'  ''
                                         'release'  "Ten Summoner's Tales"
                                           'title'  'Fields of Gold'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'singer songwriter', 'british', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '103.855'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Ten Summoner's Tales"
'TBPM' (BPM (beats per minute))                     '103.855'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Fields of Gold'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sting'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['classic rock', 'singer songwriter', 'british', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.785626'

========================== row from database ==========================
                                              'id'  1522484
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sting/Ten Summoner_s Tales/Sting - Ten Summoner_s Tales - [03] - Fields of Gold.mp3
                                         'working'  None
                                         'bitrate'  175
                                    'duration_sec'  215
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  4724172
                                           'mtime'  1642256444
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Summoner_s Summoner_s [03] ifs songwriter pop
                                      'tag_artist'  Sting
                                     'tag_release'  Ten Summoner's Tales
                                       'tag_title'  Fields of Gold
                                             'bpm'  103.855
                                    'search_title'  'fields':1 'gold':3 'of':2
                                   'search_artist'  'sting':1
                                  'search_release'  's':3 'summoner':2 'summoners':4 'tales':5 'ten':1
                                     'search_rest'  '00poprockelectronic':1 '03':4,5 'ifs':6 'pop':8 's':3 'songwriter':7 'summoner':2
                                    'search_combo'  '00poprockelectronic':10 '03':13,14 'fields':1A 'gold':3A 'ifs':15 'of':2A 'pop':17 's':7C,12 'songwriter':16 'sting':4B 'summoner':6C,11 'summoners':8C 'tales':9C 'ten':5C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['classic rock', 'singer songwriter', 'british', 'pop', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1642256443.590142  (2022-01-15 15:20:43)
                             'size'  4724172