======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '171'
                                          'artist'  'Marcy Playground'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sex & Candy'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-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-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'indie', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;ifs-songwriter-indie-rock'
                                             'bpm'  '108.124'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '108.124'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'ifs-songwriter-indie-rock']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Sex & Candy'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marcy Playground'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'indie', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.537936'

========================== row from database ==========================
                                              'id'  1311296
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/179 - Marcy Playground - Sex & Candy (1998).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  171
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-indie-rock
                                        'filesize'  2741741
                                           'mtime'  1642256344
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 179 (1998) electronic generic or radio unsorted;ifs songwriter indie rock
                                      'tag_artist'  Marcy Playground
                                     'tag_release'  None
                                       'tag_title'  Sex & Candy
                                             'bpm'  108.124
                                    'search_title'  'candy':2 'sex':1
                                   'search_artist'  'marcy':1 'playground':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '179':3 '1998':4,5 '90s':2 'electronic':6 'generic':7 'ifs':11,13 'indie':15 'or':8 'radio':9 'rock':16 'songwriter':14 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':5 '179':7 '1998':8,9 '90s':6 'candy':2A 'electronic':10 'generic':11 'ifs':15,17 'indie':19 'marcy':3B 'or':12 'playground':4B 'radio':13 'rock':20 'sex':1A 'songwriter':18 'unsorted':14,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-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-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'indie', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1642256344.387788  (2022-01-15 15:19:04)
                             'size'  2741741