======================== unified (from filesystem) ========================
                                         'bitrate'  '166.319'
                                        'duration'  '217'
                                          'artist'  'E-Craig'
                                     'text_people'  ''
                                         'release'  'The Ultimate DJ Top 100 (disc 1)'
                                           'title'  'The Beat Goes On'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['vocal trance', 'dance', 'trance', 'electronica', 'tech trance', "
 "'electronic']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance;electronic-th-trance'
                                             'bpm'  '139.948'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Ultimate DJ Top 100 (disc 1)'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-dance', 'electronic-th-trance']
'TIT2' (Title/songname/content description)         'The Beat Goes On'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'E-Craig'
'TRCK' (Track number/Position in set)               '16'
'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'                                   ['vocal trance', 'dance', 'trance', 'electronica', 'tech trance', 'electronic']
'TXXX:q-bass'                                       '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.484749'

========================== row from database ==========================
                                              'id'  1308426
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/E-Craig - The Ultimate DJ Top 100 (disc 1) - 16 - The Beat Goes On.mp3
                                         'working'  None
                                         'bitrate'  166
                                    'duration_sec'  217
                                           'genre'  electronic-generic or radio-dance;electronic-th-trance
                                        'filesize'  4522720
                                           'mtime'  1621696764
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 16 electronic generic or radio dance;electronic th trance
                                      'tag_artist'  E-Craig
                                     'tag_release'  The Ultimate DJ Top 100 (disc 1)
                                       'tag_title'  The Beat Goes On
                                             'bpm'  139.948
                                    'search_title'  'beat':2 'goes':3 'on':4 'the':1
                                   'search_artist'  'craig':2 'e':1 'ecraig':3
                                  'search_release'  '1':8,9 '100':5 'disc':6,7 'dj':3 'the':1 'top':4 'ultimate':2
                                     'search_rest'  '00poprockelectronic':1 'dance':11,13 'electronic':7,12,14 'files':5,6 'generic':8 'loose':3,4 'or':9 'radio':10 'th':15 'trance':16 'unsorted':2
                                    'search_combo'  '00poprockelectronic':17 '1':15C,16C '100':12C 'beat':2A 'craig':6B 'dance':27,29 'disc':13C,14C 'dj':10C 'e':5B 'ecraig':7B 'electronic':23,28,30 'files':21,22 'generic':24 'goes':3A 'loose':19,20 'on':4A 'or':25 'radio':26 'th':31 'the':1A,8C 'top':11C 'trance':32 'ultimate':9C 'unsorted':18
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['vocal trance', 'dance', 'trance', 'electronica', 'tech trance', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696763.7445781  (2021-05-22 17:19:23)
                             'size'  4522720