======================== unified (from filesystem) ========================
                                         'bitrate'  '159.853'
                                        'duration'  '462'
                                          'artist'  'E-Z Rollers'
                                     'text_people'  ''
                                         'release'  'A Tribute to Female Vocals'
                                           'title'  'Tough at the Top (vocal 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-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '55'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '85.023'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Tribute to Female Vocals'
'TBPM' (BPM (beats per minute))                     '85.023'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-breakbeat or dnb or jungle',
 'electronic-th-breakbeat or dnb or jungle']
'TIT2' (Title/songname/content description)         'Tough at the Top (vocal mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'E-Z Rollers'
'TRCK' (Track number/Position in set)               '55'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '0.383511'

========================== row from database ==========================
                                              'id'  1290923
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/E-Z Rollers -Tough at the Top [Full Vocal Mix].mp3
                                         'working'  None
                                         'bitrate'  159
                                    'duration_sec'  462
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  9238703
                                           'mtime'  1621696840
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] [Full Mix] electronic breakbeat or dnb or jungle
                                      'tag_artist'  E-Z Rollers
                                     'tag_release'  A Tribute to Female Vocals
                                       'tag_title'  Tough at the Top (vocal mix)
                                             'bpm'  85.023
                                    'search_title'  'at':2 'mix':7,8 'the':3 'top':4 'tough':1 'vocal':5,6
                                   'search_artist'  'e':1 'ez':3 'rollers':4 'z':2
                                  'search_release'  'a':1 'female':4 'to':3 'tribute':2 'vocals':5
                                     'search_rest'  '00poprockelectronic':1 'breakbeat':12 'dnb':14 'electronic':11 'files':5,6 'full':7,8 'jungle':15 'loose':3,4 'mix':9,10 'or':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':18 'a':13C 'at':2A 'breakbeat':29 'dnb':31 'e':9B 'electronic':28 'ez':11B 'female':16C 'files':22,23 'full':24,25 'jungle':32 'loose':20,21 'mix':7A,8A,26,27 'or':30 'rollers':12B 'the':3A 'to':15C 'top':4A 'tough':1A 'tribute':14C 'unsorted':19 'vocal':5A,6A 'vocals':17C 'z':10B
                                    'tag_tracknum'  55
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'electronic', 'jungle', 'drum n bass', 'dnb']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696840.3964713  (2021-05-22 17:20:40)
                             'size'  9238703