======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '402'
                                          'artist'  'Dido'
                                     'text_people'  ''
                                         'release'  'No Angel'
                                           'title'  'Take My Hand'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'chillout', 'pop', 'singer songwriter']"
                                     'discogstags'  "['electronic', 'pop', 'house', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '127.044'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'No Angel'
'TBPM' (BPM (beats per minute))                     '127.044'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Take My Hand'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dido'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'pop', 'house', 'downtempo']
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'chillout', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.483159'

========================== row from database ==========================
                                              'id'  1301972
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dido/Dido - No Angel  [2000]/Cd1/12 - TakeMyHand (BonusTrack).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  402
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  9657853
                                           'mtime'  1622762353
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2000] Cd1 12 TakeMyHand (BonusTrack) ifs songwriter pop
                                      'tag_artist'  Dido
                                     'tag_release'  No Angel
                                       'tag_title'  Take My Hand
                                             'bpm'  127.044
                                    'search_title'  'hand':3 'my':2 'take':1
                                   'search_artist'  'dido':1
                                  'search_release'  'angel':2 'no':1
                                     'search_rest'  '00poprockelectronic':1 '2000':2,3 'bonus':14,15 'bonustrack':6,7 'cd1':4 'hand':13 'ifs':8 'my':12 'pop':10 'songwriter':9 'take':11 'takemyhand':5 'track':16,17
                                    'search_combo'  '00poprockelectronic':7 '2000':8,9 'angel':6C 'bonus':20,21 'bonustrack':12,13 'cd1':10 'dido':4B 'hand':3A,19 'ifs':14 'my':2A,18 'no':5C 'pop':16 'songwriter':15 'take':1A,17 'takemyhand':11 'track':22,23
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'chillout', 'pop', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'pop', 'house', 'downtempo']

============================== file details ==============================
                                           'mtime'  1622762352.8134522  (2021-06-04 01:19:12)
                             'size'  9657853