======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '447'
                                          'artist'  'Club 2006'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bob Sinclar Feat Steve Edwards - World Hold On (Stay Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '128.495'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.495'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'Bob Sinclar Feat Steve Edwards - World Hold On (Stay Mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Club 2006'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.485586'

========================== row from database ==========================
                                              'id'  1338438
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Club 2006__cifs4494.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  447
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  7169740
                                           'mtime'  1621696835
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 2006__cifs4494 electronic th breakbeat dnb jungle
                                      'tag_artist'  Club 2006
                                     'tag_release'  None
                                       'tag_title'  Bob Sinclar Feat Steve Edwards - World Hold On (Stay Mix)
                                             'bpm'  128.495
                                    'search_title'  'bob':1 'edwards':5 'feat':3 'hold':7 'mix':11,12 'on':8 'sinclar':2 'stay':9,10 'steve':4 'world':6
                                   'search_artist'  '2006':2 'club':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '2006':7 'breakbeat':11 'cifs4494':8 'dnb':12 'electronic':9 'files':5,6 'jungle':13 'loose':3,4 'th':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':15 '2006':14B,21 'bob':1A 'breakbeat':25 'cifs4494':22 'club':13B 'dnb':26 'edwards':5A 'electronic':23 'feat':3A 'files':19,20 'hold':7A 'jungle':27 'loose':17,18 'mix':11A,12A 'on':8A 'sinclar':2A 'stay':9A,10A 'steve':4A 'th':24 'unsorted':16 'world':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', '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-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696834.8395784  (2021-05-22 17:20:34)
                             'size'  7169740