======================== unified (from filesystem) ========================
                                         'bitrate'  '265.327'
                                        'duration'  '306'
                                          'artist'  'Beach House'
                                     'text_people'  ''
                                         'release'  'Teen Dream'
                                           'title'  'Lover of Mine'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'lo fi', 'dreamy', 'dream pop']"
                                     'discogstags'  "['rock', 'pop', 'indie pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '96.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Teen Dream'
'TBPM' (BPM (beats per minute))                     '96.5'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Lover of Mine'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '306386'
'TPE1' (Lead performer(s)/Soloist(s))               'Beach House'
'TRCK' (Track number/Position in set)               '06'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'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', 'pop', 'indie pop']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'lo fi', 'dreamy', 'dream pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.324616'

========================== row from database ==========================
                                              'id'  1278384
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Beach House/Teen Dream/06 - Lover of Mine.mp3
                                         'working'  None
                                         'bitrate'  265
                                    'duration_sec'  306
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  10166212
                                           'mtime'  1638554793
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 06 ifs songwriter indie unsorted
                                      'tag_artist'  Beach House
                                     'tag_release'  Teen Dream
                                       'tag_title'  Lover of Mine
                                             'bpm'  96.5
                                    'search_title'  'lover':1 'mine':3 'of':2
                                   'search_artist'  'beach':1 'house':2
                                  'search_release'  'dream':2 'teen':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2 'unsorted':6
                                    'search_combo'  '00singer':8 'beach':4B 'dream':7C 'eos':10 'house':5B 'ifs':11 'indie':12 'lover':1A 'mine':3A 'of':2A 'songwriter':9 'teen':6C 'unsorted':13
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'lo fi', 'dreamy', 'dream pop']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'pop', 'indie pop']

============================== file details ==============================
                                           'mtime'  1638554792.825009  (2021-12-03 19:06:32)
                             'size'  10166212