======================== unified (from filesystem) ========================
                                         'bitrate'  '185.771'
                                        'duration'  '164'
                                          'artist'  'Jean Parlette'
                                     'text_people'  ''
                                         'release'  'Much Younger'
                                           'title'  'Chaos'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['interesting', 'all', 'clicks', 'absinthe', 'folktronica']"
                                     'discogstags'  "['folk, world, & country', 'electronic', 'experimental', 'neofolk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '135.094'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Much Younger'
'TBPM' (BPM (beats per minute))                     '135.094'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Chaos'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean Parlette'
'TRCK' (Track number/Position in set)               '3/12'
'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'                                  ['folk, world, & country', 'electronic', 'experimental', 'neofolk']
'TXXX:iTunes_CDDB_IDs'                              '12+A4CEB09B720D35F7E971F35B8291F5BF+10647529'
'TXXX:lastfmtags'                                   ['interesting', 'all', 'clicks', 'absinthe', 'folktronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.522800'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1260020
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Jean Parlette/Much Younger/03 Chaos.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  164
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  3833499
                                           'mtime'  1636400816
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 03 ifs songwriter experimental
                                      'tag_artist'  Jean Parlette
                                     'tag_release'  Much Younger
                                       'tag_title'  Chaos
                                             'bpm'  135.094
                                    'search_title'  'chaos':1
                                   'search_artist'  'jean':1 'parlette':2
                                  'search_release'  'much':1 'younger':2
                                     'search_rest'  '00singer':1 'eos':3 'experimental':5 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':6 'chaos':1A 'eos':8 'experimental':10 'ifs':9 'jean':2B 'much':4C 'parlette':3B 'songwriter':7 'younger':5C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['interesting', 'all', 'clicks', 'absinthe', 'folktronica']
                                        'tag_date'  2008
                                     'discogstags'  ['folk, world, & country', 'electronic', 'experimental', 'neofolk']

============================== file details ==============================
                                           'mtime'  1636400815.8152606  (2021-11-08 20:46:55)
                             'size'  3833499