======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '352'
                                          'artist'  'Black Box'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Ride On Time 2003 [Club Mix] (feat. Loleatta Holloway)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['dance', 'house', 'eurodance', 'female vocalists', '90s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '127.605'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '127.605'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Ride On Time 2003 [Club Mix] (feat. Loleatta Holloway)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Box'
'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', 'house', 'eurodance', 'female vocalists', '90s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.414029'

========================== row from database ==========================
                                              'id'  1324303
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Black Box__cifsd0d0.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  352
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  7051715
                                           'mtime'  1621696830
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Box__cifsd0d0 electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Black Box
                                     'tag_release'  None
                                       'tag_title'  Ride On Time 2003 [Club Mix] (feat. Loleatta Holloway)
                                             'bpm'  127.605
                                    'search_title'  '2003':4 'club':5,6 'feat':9,10 'holloway':12,13 'loleatta':11 'mix':7,8 'on':2 'ride':1 'time':3
                                   'search_artist'  'black':1 'box':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'box':7 'breakbeat':11 'cifsd0d0':8 'dnb':13 'electronic':9 'files':5,6 'jungle':14 'loose':3,4 'or':12 'th':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '2003':4A 'black':14B 'box':15B,22 'breakbeat':26 'cifsd0d0':23 'club':5A,6A 'dnb':28 'electronic':24 'feat':9A,10A 'files':20,21 'holloway':12A,13A 'jungle':29 'loleatta':11A 'loose':18,19 'mix':7A,8A 'on':2A 'or':27 'ride':1A 'th':25 'time':3A 'unsorted':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['dance', 'house', 'eurodance', 'female vocalists', '90s']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696829.5595655  (2021-05-22 17:20:29)
                             'size'  7051715