======================== unified (from filesystem) ========================
                                         'bitrate'  '209.108'
                                        'duration'  '284'
                                          'artist'  "Dolores O'Riordan"
                                     'text_people'  ''
                                         'release'  'Are You Listening?'
                                           'title'  'Apple of My Eye'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', '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'  '7'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '85.166'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Are You Listening?'
'TBPM' (BPM (beats per minute))                     '85.166'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Apple of My Eye'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               "Dolores O'Riordan"
'TRCK' (Track number/Position in set)               '7'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.53 dB'
'TXXX:replaygain_track_peak'                        '0.458025'

========================== row from database ==========================
                                              'id'  1532117
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Dolores O_riordan/Dolores O'Riordan/Are you listening - Dolores O'Riordan/07-dolores_oriordan-apple_of_my_eye.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  284
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  7432046
                                           'mtime'  1642256525
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos O_riordan you listening 07 dolores_oriordan apple_of_my_eye ifs songwriter rock
                                      'tag_artist'  Dolores O'Riordan
                                     'tag_release'  Are You Listening?
                                       'tag_title'  Apple of My Eye
                                             'bpm'  85.166
                                    'search_title'  'apple':1 'eye':4 'my':3 'of':2
                                   'search_artist'  'dolores':1 'o':2 'oriordan':4 'riordan':3
                                  'search_release'  'are':1 'listening':3 'you':2
                                     'search_rest'  '00singer':1 'apple':10 'dolores':8 'eos':3 'eye':13 'ifs':14 'listening':7 'my':12 'o':4 'of':11 'oriordan':9 'riordan':5 'rock':15 'songwriter':2 'you':6
                                    'search_combo'  '00singer':12 'apple':1A,21 'are':9C 'dolores':5B,19 'eos':14 'eye':4A,24 'ifs':25 'listening':11C,18 'my':3A,23 'o':6B,15 'of':2A,22 'oriordan':8B,20 'riordan':7B,16 'rock':26 'songwriter':13 'you':10C,17
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-2', 'q-other-3', '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'  1642256525.3937306  (2022-01-15 15:22:05)
                             'size'  7432046