======================== unified (from filesystem) ========================
                                         'bitrate'  '151.698'
                                        'duration'  '335'
                                          'artist'  'AFX'
                                     'text_people'  ''
                                         'release'  'Hangable Auto Bulb'
                                           'title'  'Wabby Legs'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '107.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hangable Auto Bulb'
'TBPM' (BPM (beats per minute))                     '107.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Wabby Legs'
'TKEY' (Initial key)                                '3A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'AFX'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.556002'

========================== row from database ==========================
                                              'id'  982264
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Aphex Twin/Aphex Twin - AFX - Hangable Auto Bulb/06-afx-wabby_legs.mp3
                                         'working'  None
                                         'bitrate'  151
                                    'duration_sec'  335
                                           'genre'  electronic-experimental
                                        'filesize'  6359722
                                           'mtime'  1628353929
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Aphex Twin Aphex Twin 06 afx wabby_legs electronic experimental
                                      'tag_artist'  AFX
                                     'tag_release'  Hangable Auto Bulb
                                       'tag_title'  Wabby Legs
                                             'bpm'  107.3
                                    'search_title'  'legs':2 'wabby':1
                                   'search_artist'  'afx':1
                                  'search_release'  'auto':2 'bulb':3 'hangable':1
                                     'search_rest'  'afx':3 'aphex':1 'electronic':6 'experimental':7 'legs':5 'twin':2 'wabby':4
                                    'search_combo'  'afx':3B,9 'aphex':7 'auto':5C 'bulb':6C 'electronic':12 'experimental':13 'hangable':4C 'legs':2A,11 'twin':8 'wabby':1A,10
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353928.6316826  (2021-08-07 18:32:08)
                             'size'  6359722