======================== unified (from filesystem) ========================
                                         'bitrate'  '183.409'
                                        'duration'  '996'
                                          'artist'  'Underworld'
                                     'text_people'  ''
                                         'release'  'Second Toughest in the Infants'
                                           'title'  'Juanita / Kiteless / To Dream'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno;electronic-th-trance'
                                             'bpm'  '135.004'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Second Toughest in the Infants'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-techno', 'electronic-th-trance']
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Juanita / Kiteless / To Dream'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Underworld'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'trance']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.964474'

========================== row from database ==========================
                                              'id'  1340683
                                            'path'  /data/Music/Bulk/00poprockelectronic/Underworld/Second Toughest in the Infants/second toughest in the infants__01 - Juanita-Kiteless-To Dream Of Love.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  996
                                           'genre'  electronic-th-techno;electronic-th-trance
                                        'filesize'  22857200
                                           'mtime'  1620572466
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic second toughest infants__01 Of Love electronic techno;electronic trance
                                      'tag_artist'  Underworld
                                     'tag_release'  Second Toughest in the Infants
                                       'tag_title'  Juanita / Kiteless / To Dream
                                             'bpm'  135.004
                                    'search_title'  'dream':4 'juanita':1 'kiteless':2 'to':3
                                   'search_artist'  'underworld':1
                                  'search_release'  'in':3 'infants':5 'second':1 'the':4 'toughest':2
                                     'search_rest'  '00poprockelectronic':1 '01':5 'electronic':8,10,12 'infants':4 'love':7 'of':6 'second':2 'techno':9,11 'toughest':3 'trance':13
                                    'search_combo'  '00poprockelectronic':11 '01':15 'dream':4A 'electronic':18,20,22 'in':8C 'infants':10C,14 'juanita':1A 'kiteless':2A 'love':17 'of':16 'second':6C,12 'techno':19,21 'the':9C 'to':3A 'toughest':7C,13 'trance':23 'underworld':5B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'trance']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572465.9395301  (2021-05-09 17:01:05)
                             'size'  22857200