======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '302'
                                          'artist'  'Anything Box'
                                     'text_people'  ''
                                         'release'  'Peace'
                                           'title'  'Just One Day'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '124.087'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Peace'
'TBPM' (BPM (beats per minute))                     '124.087'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Just One Day'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Anything Box'
'TRCK' (Track number/Position in set)               '11'
'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'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'synth pop', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.468255'

========================== row from database ==========================
                                              'id'  1296214
                                            'path'  /data/Music/Bulk/00poprockelectronic/Anything Box/Peace-11-Just One Day.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  302
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  9678689
                                           'mtime'  1636922466
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 electronic we electropop or synthpop
                                      'tag_artist'  Anything Box
                                     'tag_release'  Peace
                                       'tag_title'  Just One Day
                                             'bpm'  124.087
                                    'search_title'  'day':3 'just':1 'one':2
                                   'search_artist'  'anything':1 'box':2
                                  'search_release'  'peace':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'electropop':4 'or':5 'synthpop':6 'we':3
                                    'search_combo'  '00poprockelectronic':7 'anything':4B 'box':5B 'day':3A 'electronic':8 'electropop':10 'just':1A 'one':2A 'or':11 'peace':6C 'synthpop':12 'we':9
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'electronic', 'synthpop']
                                        'tag_date'  1990
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636922465.5590913  (2021-11-14 21:41:05)
                             'size'  9678689