======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '229'
                                          'artist'  'Ace Of Base'
                                     'text_people'  ''
                                         'release'  "Greatest Hits '94 Volume 2"
                                           'title'  "Don't Turn Around"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', '90s', 'swedish', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '95.664'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Greatest Hits '94 Volume 2"
'TBPM' (BPM (beats per minute))                     '95.664'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         "Don't Turn Around"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ace Of Base'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,195'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'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:Tracknum'                                     '04'
'TXXX:lastfmtags'                                   ['dance', '90s', 'swedish', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.667938'

========================== row from database ==========================
                                              'id'  1527845
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Greatest Hits 94 Volume 2/04 - Ace Of Base - Don_t Turn Around.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  229
                                           'genre'  electronic-generic or radio
                                        'filesize'  3668864
                                           'mtime'  1621695847
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 04 Don_t electronic generic or radio
                                      'tag_artist'  Ace Of Base
                                     'tag_release'  Greatest Hits '94 Volume 2
                                       'tag_title'  Don't Turn Around
                                             'bpm'  95.664
                                    'search_title'  'around':5 'don':1 'dont':3 't':2 'turn':4
                                   'search_artist'  'ace':1 'base':3 'of':2
                                  'search_release'  '2':6 '94':3,4 'greatest':1 'hits':2 'volume':5
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'don':5 'electronic':7 'generic':2 'or':8 'radio':9 't':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':15 '2':14C '94':11C,12C 'ace':6B 'around':5A 'base':8B 'dance':17 'don':1A,19 'dont':3A 'electronic':21 'generic':16 'greatest':9C 'hits':10C 'of':7B 'or':22 'radio':23 't':2A,20 'trapbeat':18 'turn':4A 'volume':13C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', '90s', 'swedish', 'female vocalists', 'pop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695847.3870234  (2021-05-22 17:04:07)
                             'size'  3668864