======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Stealers Wheel'
                                     'text_people'  ''
                                         'release'  'Radio 2 Top 2000 van 2013'
                                           'title'  'Stuck In The Middle With You'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', '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-3', 'q-mixbeat-3']")
                                      'lastfmtags'  "['folk rock', 'oldies', '70s', 'rock', 'folk', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0934'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '123.859'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Radio 2 Top 2000 van 2013'
'TBPM' (BPM (beats per minute))                     '123.859'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Stuck In The Middle With You'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stealers Wheel'
'TRCK' (Track number/Position in set)               '0934'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk rock', 'oldies', '70s', 'rock', 'folk', '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'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.820697'

========================== row from database ==========================
                                              'id'  1330922
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/0934. [1973] Stealers Wheel - Stuck In The Middle With You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8169897
                                           'mtime'  1620573846
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 0934. [1973] electronic generic or radio dance
                                      'tag_artist'  Stealers Wheel
                                     'tag_release'  Radio 2 Top 2000 van 2013
                                       'tag_title'  Stuck In The Middle With You
                                             'bpm'  123.859
                                    'search_title'  'in':2 'middle':4 'stuck':1 'the':3 'with':5 'you':6
                                   'search_artist'  'stealers':1 'wheel':2
                                  'search_release'  '2':2 '2000':4 '2013':6 'radio':1 'top':3 'van':5
                                     'search_rest'  '00poprockelectronic':1 '0934':3,4 '1973':5,6 'dance':11 'electronic':7 'generic':8 'or':9 'radio':10 'set':2
                                    'search_combo'  '00poprockelectronic':15 '0934':17,18 '1973':19,20 '2':10C '2000':12C '2013':14C 'dance':25 'electronic':21 'generic':22 'in':2A 'middle':4A 'or':23 'radio':9C,24 'set':16 'stealers':7B 'stuck':1A 'the':3A 'top':11C 'van':13C 'wheel':8B 'with':5A 'you':6A
                                    'tag_tracknum'  934
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'oldies', '70s', 'rock', 'folk', 'classic rock']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573845.9908144  (2021-05-09 17:24:05)
                             'size'  8169897