======================== unified (from filesystem) ========================
                                         'bitrate'  '182.983'
                                        'duration'  '184'
                                          'artist'  'Elliott Smith'
                                     'text_people'  ''
                                         'release'  'Either/Or'
                                           'title'  "Cupid's Trick"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk'
                                             'bpm'  '88.865'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Either/Or'
'TBPM' (BPM (beats per minute))                     '88.865'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie', 'ifs-songwriter-indie-pop', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "Cupid's Trick"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elliott Smith'
'TRCK' (Track number/Position in set)               '09'
'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'                                   ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.526712'

========================== row from database ==========================
                                              'id'  1499446
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Elliott Smith/Either Or/elliot_smith-09-cupid_s_trick.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  184
                                           'genre'  ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk
                                        'filesize'  4233098
                                           'mtime'  1637330494
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos elliot_smith 09 cupid_s_trick ifs songwriter indie;ifs songwriter indie pop;ifs songwriter folk
                                      'tag_artist'  Elliott Smith
                                     'tag_release'  Either/Or
                                       'tag_title'  Cupid's Trick
                                             'bpm'  88.865
                                    'search_title'  'cupid':1 'cupids':3 's':2 'trick':4
                                   'search_artist'  'elliott':1 'smith':2
                                  'search_release'  'either':1 'eitheror':3 'or':2
                                     'search_rest'  '00singer':1 'cupid':6 'elliot':4 'eos':3 'folk':19 'ifs':9,11,13,16,18 'indie':10,12,14 'pop':15,17 's':7 'smith':5 'songwriter':2 'trick':8
                                    'search_combo'  '00singer':10 'cupid':1A,15 'cupids':3A 'either':7C 'eitheror':9C 'elliot':13 'elliott':5B 'eos':12 'folk':28 'ifs':18,20,22,25,27 'indie':19,21,23 'or':8C 'pop':24,26 's':2A,16 'smith':6B,14 'songwriter':11 'trick':4A,17
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330493.755413  (2021-11-19 15:01:33)
                             'size'  4233098