======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '172'
                                          'artist'  "B'witched"
                                     'text_people'  ''
                                         'release'  'Mega Dance 1998'
                                           'title'  "C'est la vie"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['pop', 'irish', '90s', 'female vocalists', 'girl groups']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '108.996'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mega Dance 1998'
'TBPM' (BPM (beats per minute))                     '108.996'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "C'est la vie"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               "B'witched"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,193'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'irish', '90s', 'female vocalists', 'girl groups']
'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'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.401276'

========================== row from database ==========================
                                              'id'  1509800
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Mega dance 1998/B_witched - C_est la vie.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  172
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  2755967
                                           'mtime'  1620559069
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat dance B_witched C_est electronic generic or radio dance
                                      'tag_artist'  B'witched
                                     'tag_release'  Mega Dance 1998
                                       'tag_title'  C'est la vie
                                             'bpm'  108.996
                                    'search_title'  'c':1 'cest':3 'est':2 'la':4 'vie':5
                                   'search_artist'  'b':1 'bwitched':3 'witched':2
                                  'search_release'  '1998':3 'dance':2 'mega':1
                                     'search_rest'  '00poprockelectronic':1 'b':5 'c':7 'dance':3 'electronic':9 'est':8 'generic':2 'or':10 'radio':11 'trapbeat':4 'witched':6
                                    'search_combo'  '00poprockelectronic':12 '1998':11C 'b':6B,16 'bwitched':8B 'c':1A,18 'cest':3A 'dance':10C,14 'electronic':20 'est':2A,19 'generic':13 'la':4A 'mega':9C 'or':21 'radio':22 'trapbeat':15 'vie':5A 'witched':7B,17
                                    'tag_tracknum'  None
                                      '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'  ['pop', 'irish', '90s', 'female vocalists', 'girl groups']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559069.3476915  (2021-05-09 13:17:49)
                             'size'  2755967