======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '124'
                                          'artist'  'Tom Ellis'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "'Stranger In This Town'"
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['house', 'microhouse', 'tech house', 'funk', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '122.1'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '122.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         "'Stranger In This Town'"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Ellis'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'microhouse', 'tech house', 'funk', 'minimal']
'TXXX:other'                                        '275466226'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.777679'

========================== row from database ==========================
                                              'id'  1506216
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Tom Ellis/Tom Ellis - _Stranger In This Town_ [Black Key Records]-275466226.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  124
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  1986978
                                           'mtime'  1621085192
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats _Stranger Town_ [Black Key Records] 275466226 electronic th techno minimal or deephouse
                                      'tag_artist'  Tom Ellis
                                     'tag_release'  None
                                       'tag_title'  'Stranger In This Town'
                                             'bpm'  122.1
                                    'search_title'  'in':3 'stranger':1,2 'this':4 'town':5,6
                                   'search_artist'  'ellis':2 'tom':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '275466226':13 'beats':5 'black':8,9 'deephouse':19 'electronic':14 'harder':4 'house':3 'key':10 'minimal':17 'or':18 'records':11,12 'stranger':6 'techno':16 'th':15 'town':7
                                    'search_combo'  '00poprockelectronic':9 '00techno':10 '275466226':21 'beats':13 'black':16,17 'deephouse':27 'electronic':22 'ellis':8B 'harder':12 'house':11 'in':3A 'key':18 'minimal':25 'or':26 'records':19,20 'stranger':1A,2A,14 'techno':24 'th':23 'this':4A 'tom':7B 'town':5A,6A,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['house', 'microhouse', 'tech house', 'funk', 'minimal']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085191.9658039  (2021-05-15 15:26:31)
                             'size'  1986978