======================== unified (from filesystem) ========================
                                         'bitrate'  '249.47'
                                        'duration'  '274'
                                          'artist'  'Wilson Phillips'
                                     'text_people'  ''
                                         'release'  'Wilson Phillips'
                                           'title'  'Impulsive'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', '90s', 'female vocalists', 'pop', 'girl groups']"
                                     'discogstags'  "['rock', 'pop', 'soft rock', 'pop rock', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-female'
                                             'bpm'  '107.836'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wilson Phillips'
'TBPM' (BPM (beats per minute))                     '107.836'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-female'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Impulsive'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Wilson Phillips'
'TRCK' (Track number/Position in set)               '3'
'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'                                  ['rock', 'pop', 'soft rock', 'pop rock', 'vocal']
'TXXX:lastfmtags'                                   ['80s', '90s', 'female vocalists', 'pop', 'girl groups']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.530639'

========================== row from database ==========================
                                              'id'  1361579
                                            'path'  /data/Music/Bulk/00poprockelectronic/Wilson Phillips/1990 - Wilson Phillips/03 - Impulsive.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  274
                                           'genre'  electronic-generic or radio-female
                                        'filesize'  8563573
                                           'mtime'  1622801115
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1990 03 electronic generic or radio female
                                      'tag_artist'  Wilson Phillips
                                     'tag_release'  Wilson Phillips
                                       'tag_title'  Impulsive
                                             'bpm'  107.836
                                    'search_title'  'impulsive':1
                                   'search_artist'  'phillips':2 'wilson':1
                                  'search_release'  'phillips':2 'wilson':1
                                     'search_rest'  '00poprockelectronic':1 '1990':2 'electronic':3 'female':7 'generic':4 'or':5 'radio':6
                                    'search_combo'  '00poprockelectronic':6 '1990':7 'electronic':8 'female':12 'generic':9 'impulsive':1A 'or':10 'phillips':3B,5C 'radio':11 'wilson':2B,4C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', '90s', 'female vocalists', 'pop', 'girl groups']
                                        'tag_date'  1990
                                     'discogstags'  ['rock', 'pop', 'soft rock', 'pop rock', 'vocal']

============================== file details ==============================
                                           'mtime'  1622801114.5074975  (2021-06-04 12:05:14)
                             'size'  8563573