======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '232'
                                          'artist'  'Sly Fox'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Let's Go all the Way"
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'dance', 'home collection', 'pop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '98.0'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '98.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         "Let's Go all the Way"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sly Fox'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,192'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'dance', 'home collection', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'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'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.828648'

========================== row from database ==========================
                                              'id'  1532417
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Greatest Hits Of The 80's- Volume 1 to 8/Sly Fox - Let_s Go all the Way.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  232
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  3728927
                                           'mtime'  1620569107
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s Greatest Hits Of The 80's Volume 1 to 8 Let_s electronic we disco or italo
                                      'tag_artist'  Sly Fox
                                     'tag_release'  None
                                       'tag_title'  Let's Go all the Way
                                             'bpm'  98.0
                                    'search_title'  'all':5 'go':4 'let':1 'lets':3 's':2 'the':6 'way':7
                                   'search_artist'  'fox':2 'sly':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1':13 '70':3 '8':15 '80':5 '80s':11 'disco':2 'electronic':18 'greatest':7 'hits':8 'italo':21 'let':16 'of':9 'or':20 's':4,6,17 'the':10 'to':14 'volume':12 'we':19
                                    'search_combo'  '00poprockelectronic':10 '1':22 '70':12 '8':24 '80':14 '80s':20 'all':5A 'disco':11 'electronic':27 'fox':9B 'go':4A 'greatest':16 'hits':17 'italo':30 'let':1A,25 'lets':3A 'of':18 'or':29 's':2A,13,15,26 'sly':8B 'the':6A,19 'to':23 'volume':21 'way':7A 'we':28
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           '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-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'new wave', 'dance', 'home collection', 'pop']
                                        'tag_date'  1980
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620569106.5623362  (2021-05-09 16:05:06)
                             'size'  3728927