======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '191'
                                          'artist'  "Blackmore's Night"
                                     'text_people'  'Candice Night'
                                         'release'  'Under A Violet Moon'
                                           'title'  'Now and then'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk rock', 'renaissance', 'celtic', 'medieval', 'folk']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-folk-rock;set-pl-sced'
                                             'bpm'  '134.556'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Under A Violet Moon'
'TBPM' (BPM (beats per minute))                     '134.556'
'TCOM' (Composer)                                   'Candice Night'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-folk-rock', 'set-pl-sced']
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Now and then'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               "Blackmore's Night"
'TPE2' (Band/orchestra/accompaniment)               "Blackmore's Night"
'TPUB' (Publisher)                                  'Steamhammer/SPV'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['folk rock', 'renaissance', 'celtic', 'medieval', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.620528'

========================== row from database ==========================
                                              'id'  1532719
                                            'path'  /data/Music/Bulk/00dwimp/Blackmore_s Night/[1999] Under A Violet Moon/15 Now and then.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  191
                                           'genre'  ifs-folk-rock;set-pl-sced
                                        'filesize'  4702093
                                           'mtime'  1636914051
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Blackmore_s [1999] 15 ifs folk rock;set pl sced
                                      'tag_artist'  Blackmore's Night
                                     'tag_release'  Under A Violet Moon
                                       'tag_title'  Now and then
                                             'bpm'  134.556
                                    'search_title'  'and':2 'now':1 'then':3
                                   'search_artist'  'blackmore':1 'blackmores':3 'night':4 's':2
                                  'search_release'  'a':2 'moon':4 'under':1 'violet':3
                                     'search_rest'  '00dwimp':1 '1999':4,5 'blackmore':2 'folk':7 'ifs':6 'pl':12 'rock':8,10 's':3 'sced':13 'set':9,11
                                    'search_combo'  '00dwimp':12 '1999':15,16 'a':9C 'and':2A 'blackmore':4B,13 'blackmores':6B 'folk':18 'ifs':17 'moon':11C 'night':7B 'now':1A 'pl':23 'rock':19,21 's':5B,14 'sced':24 'set':20,22 'then':3A 'under':8C 'violet':10C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'renaissance', 'celtic', 'medieval', 'folk']
                                        'tag_date'  1999
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1636914051.080105  (2021-11-14 19:20:51)
                             'size'  4702093