======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '215'
                                          'artist'  'The KLF'
                                     'text_people'  ''
                                         'release'  "Best Ever Top 100 90's  "
                                           'title'  '3 A.M. Eternal (Live at the S.'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'techno', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '119.335'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Best Ever Top 100 90's  "
'TBPM' (BPM (beats per minute))                     '119.335'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'lacadau'
'TIT2' (Title/songname/content description)         '3 A.M. Eternal (Live at the S.'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The KLF'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:lastfmtags'                                   ['dance', 'electronica', 'techno', 'electronic', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.697391'

========================== row from database ==========================
                                              'id'  1342095
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/81_3_A.M._Eternal_(Live_at_the_S.S.L.).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  215
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8632307
                                           'mtime'  1621696057
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 81_3_A.M._Eternal_(Live_at_the_S.S.L.) electronic generic or radio dance
                                      'tag_artist'  The KLF
                                     'tag_release'  Best Ever Top 100 90's  
                                       'tag_title'  3 A.M. Eternal (Live at the S.
                                             'bpm'  119.335
                                    'search_title'  '3':1 'a':2 'am':4 'at':8 'eternal':5 'live':6,7 'm':3 's':10,11 'the':9
                                   'search_artist'  'klf':2 'the':1
                                  'search_release'  '100':4 '90':5 '90s':7 'best':1 'ever':2 's':6 'top':3
                                     'search_rest'  '00poprockelectronic':1 '3':4,15 '81':3,14 '90s':2 'a':5 'am':16 'at':9,19 'dance':26 'electronic':22 'eternal':7,17 'generic':23 'l':13 'live':8,18 'm':6 'or':24 'radio':25 's':11,12 'ssl':21 'the':10,20
                                    'search_combo'  '00poprockelectronic':21 '100':17C '3':1A,24,35 '81':23,34 '90':18C '90s':20C,22 'a':2A,25 'am':4A,36 'at':8A,29,39 'best':14C 'dance':46 'electronic':42 'eternal':5A,27,37 'ever':15C 'generic':43 'klf':13B 'l':33 'live':6A,7A,28,38 'm':3A,26 'or':44 'radio':45 's':10A,11A,19C,31,32 'ssl':41 'the':9A,12B,30,40 'top':16C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'techno', 'electronic', 'ambient']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696057.119086  (2021-05-22 17:07:37)
                             'size'  8632307