======================== unified (from filesystem) ========================
                                         'bitrate'  '176.23'
                                        'duration'  '309'
                                          'artist'  'Thomas Dolby'
                                     'text_people'  ''
                                         'release'  'Aliens Ate My Buick'
                                           'title'  'Airhead'
                                           'quals'  ("['Q-HAP-3', '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-2', 'q-drums-3', 'q-other-2', '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'  '2'
                                      'tracktotal'  '8'
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '118.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '5A0A9F08'
'TALB' (Album/Movie/Show title)                     'Aliens Ate My Buick'
'TBPM' (BPM (beats per minute))                     '118.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Airhead'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Thomas Dolby'
'TRCK' (Track number/Position in set)               '2/8'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.705385'

========================== row from database ==========================
                                              'id'  1383823
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Thomas Dolby/Aliens Ate My Buick/Thomas Dolby - Airhead.mp3
                                         'working'  None
                                         'bitrate'  176
                                    'duration_sec'  309
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  6813468
                                           'mtime'  1628353743
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop electronic we electropop or synthpop
                                      'tag_artist'  Thomas Dolby
                                     'tag_release'  Aliens Ate My Buick
                                       'tag_title'  Airhead
                                             'bpm'  118.8
                                    'search_title'  'airhead':1
                                   'search_artist'  'dolby':2 'thomas':1
                                  'search_release'  'aliens':1 'ate':2 'buick':4 'my':3
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'electronic':5 'electropop':3 'or':7 'synthpop':4 'we':6
                                    'search_combo'  '00electro':9 '00poprockelectronic':8 'airhead':1A 'aliens':4C 'ate':5C 'buick':7C 'dolby':3B 'electronic':12 'electropop':10 'my':6C 'or':14 'synthpop':11 'thomas':2B 'we':13
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'electronic', 'synthpop']
                                        'tag_date'  1988
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1628353742.9991693  (2021-08-07 18:29:02)
                             'size'  6813468