======================== unified (from filesystem) ========================
                                         'bitrate'  '164.125'
                                        'duration'  '491'
                                          'artist'  'Alanis Morissette'
                                     'text_people'  ''
                                         'release'  'Jagged Little Pill'
                                           'title'  'You Oughta Know'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '105.040'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jagged Little Pill'
'TBPM' (BPM (beats per minute))                     '105.040'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'You Oughta Know'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alanis Morissette'
'TRCK' (Track number/Position in set)               '13'
'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', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.431719'

========================== row from database ==========================
                                              'id'  175748
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Alanis Morissette/Alanis Morissette - Jagged Little Pill - 13 - You Oughta Know (alternate mix).mp3
                                         'working'  None
                                         'bitrate'  164
                                    'duration_sec'  491
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  10086973
                                           'mtime'  1628355653
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 13 (alternate mix) ifs songwriter eos
                                      'tag_artist'  Alanis Morissette
                                     'tag_release'  Jagged Little Pill
                                       'tag_title'  You Oughta Know
                                             'bpm'  105.04
                                    'search_title'  'know':3 'oughta':2 'you':1
                                   'search_artist'  'alanis':1 'morissette':2
                                  'search_release'  'jagged':1 'little':2 'pill':3
                                     'search_rest'  '00singer':1 'alternate':4,5 'eos':3 'ifs':8 'mix':6,7 'songwriter':2
                                    'search_combo'  '00singer':9 'alanis':4B 'alternate':12,13 'eos':11 'ifs':16 'jagged':6C 'know':3A 'little':7C 'mix':14,15 'morissette':5B 'oughta':2A 'pill':8C 'songwriter':10 'you':1A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1628355652.6544867  (2021-08-07 19:00:52)
                             'size'  10086973