======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '294'
                                          'artist'  'Flash And The Pan'
                                     'text_people'  ''
                                         'release'  'Collection'
                                           'title'  'Midnight Man'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                                      'lastfmtags'  "['new wave', '80s', 'rock', 'australian', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '119.900'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Collection'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Midnight Man'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Flash And The Pan'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['new wave', '80s', 'rock', 'australian', 'classic rock']
'TXXX:q-bass'                                       '4'
'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'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.679861'

========================== row from database ==========================
                                              'id'  1347150
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Best of 70 80 & 90s - 211 Hits (6CDS)/Flash And The Pan - Midnight Man.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  294
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4723745
                                           'mtime'  1620572208
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Best of 70 80 & 90s 211 Hits (6CDS) electronic generic or radio unsorted
                                      'tag_artist'  Flash And The Pan
                                     'tag_release'  Collection
                                       'tag_title'  Midnight Man
                                             'bpm'  119.9
                                    'search_title'  'man':2 'midnight':1
                                   'search_artist'  'and':2 'flash':1 'pan':4 'the':3
                                  'search_release'  'collection':1
                                     'search_rest'  '00poprockelectronic':1 '211':7 '6cds':9,10 '70':4 '80':5 '90s':6 'best':2 'electronic':11 'generic':12 'hits':8 'of':3 'or':13 'radio':14 'unsorted':15
                                    'search_combo'  '00poprockelectronic':8 '211':14 '6cds':16,17 '70':11 '80':12 '90s':13 'and':4B 'best':9 'collection':7C 'electronic':18 'flash':3B 'generic':19 'hits':15 'man':2A 'midnight':1A 'of':10 'or':20 'pan':6B 'radio':21 'the':5B 'unsorted':22
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['new wave', '80s', 'rock', 'australian', 'classic rock']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572207.905907  (2021-05-09 16:56:47)
                             'size'  4723745