======================== unified (from filesystem) ========================
                                         'bitrate'  '205.872'
                                        'duration'  '241'
                                          'artist'  "Dolores O'Riordan"
                                     'text_people'  ''
                                         'release'  'Are You Listening?'
                                           'title'  'Spirit'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['alternative rock', 'irish', 'female vocalists', 'rock', 'alternative', "
 "'singer songwriter']")
                                     'discogstags'  "['alternative rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '85.023'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Are You Listening?'
'TBPM' (BPM (beats per minute))                     '85.023'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Spirit'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Dolores O'Riordan"
'TRCK' (Track number/Position in set)               '4'
'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'                                  ['alternative rock', 'rock']
'TXXX:lastfmtags'                                   ['alternative rock',
 'irish',
 'female vocalists',
 'rock',
 'alternative',
 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.11 dB'
'TXXX:replaygain_track_peak'                        '0.454489'

========================== row from database ==========================
                                              'id'  1525112
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Dolores O_riordan/Dolores O'Riordan/04 - Dolores O_Riordan - Human Spirit.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  241
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  6221306
                                           'mtime'  1642256520
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos O_riordan 04 O_Riordan Human ifs songwriter rock
                                      'tag_artist'  Dolores O'Riordan
                                     'tag_release'  Are You Listening?
                                       'tag_title'  Spirit
                                             'bpm'  85.023
                                    'search_title'  'spirit':1
                                   'search_artist'  'dolores':1 'o':2 'oriordan':4 'riordan':3
                                  'search_release'  'are':1 'listening':3 'you':2
                                     'search_rest'  '00singer':1 'eos':3 'human':6 'ifs':7 'o':4 'riordan':5 'rock':8 'songwriter':2
                                    'search_combo'  '00singer':9 'are':6C 'dolores':2B 'eos':11 'human':14 'ifs':15 'listening':8C 'o':3B,12 'oriordan':5B 'riordan':4B,13 'rock':16 'songwriter':10 'spirit':1A 'you':7C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['alternative rock', 'irish', 'female vocalists', 'rock', 'alternative', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  ['alternative rock', 'rock']

============================== file details ==============================
                                           'mtime'  1642256519.975331  (2022-01-15 15:21:59)
                             'size'  6221306