======================== unified (from filesystem) ========================
                                         'bitrate'  '171.804'
                                        'duration'  '265'
                                          'artist'  'Depeche Mode'
                                     'text_people'  ''
                                         'release'  'Speak & Spell'
                                           'title'  'Big Muff'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '140.823'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Speak & Spell'
'TBPM' (BPM (beats per minute))                     '140.823'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Big Muff'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Depeche Mode'
'TRCK' (Track number/Position in set)               '21'
'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', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.880496'

========================== row from database ==========================
                                              'id'  1319654
                                            'path'  /data/Music/Bulk/00poprockelectronic/Depeche Mode/1981-Depeche_Mode-Speak_And_Spell-2CD-Reissue-2006-EOS/209-depeche_mode-big_muff-eos.mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  265
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  5695941
                                           'mtime'  1636922593
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1981 Depeche_Mode Speak_And_Spell 2CD Reissue 2006 EOS 209 depeche_mode big_muff eos electronic we electropop or synthpop
                                      'tag_artist'  Depeche Mode
                                     'tag_release'  Speak & Spell
                                       'tag_title'  Big Muff
                                             'bpm'  140.823
                                    'search_title'  'big':1 'muff':2
                                   'search_artist'  'depeche':1 'mode':2
                                  'search_release'  'speak':1 'spell':2
                                     'search_rest'  '00poprockelectronic':1 '1981':2 '2006':10 '209':12 '2cd':8 'and':6 'big':13 'depeche':3 'electronic':15 'electropop':17 'eos':11 'mode':4 'muff':14 'or':18 'reissue':9 'speak':5 'spell':7 'synthpop':19 'we':16
                                    'search_combo'  '00poprockelectronic':7 '1981':8 '2006':16 '209':18 '2cd':14 'and':12 'big':1A,19 'depeche':3B,9 'electronic':21 'electropop':23 'eos':17 'mode':4B,10 'muff':2A,20 'or':24 'reissue':15 'speak':5C,11 'spell':6C,13 'synthpop':25 'we':22
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'synthpop']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636922593.3137355  (2021-11-14 21:43:13)
                             'size'  5695941