======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '190'
                                          'artist'  '13th floor Elevators'
                                     'text_people'  ''
                                         'release'  'easter everywhere'
                                           'title'  'dear dr. doom (beauty track)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic rock', '60s', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '144.130'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'easter everywhere'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'dear dr. doom (beauty track)'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               '13th floor Elevators'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Mp3gain_minmax'                               '109,173'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['garage rock', 'psychedelic rock', '60s', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.482713'

========================== row from database ==========================
                                              'id'  1410398
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/13th floor elevators - (1967) easter everywhere/19 - dear dr. doom (beauty track).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  190
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6091271
                                           'mtime'  1620736033
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy elevators (1967) 19 rock cppex psychedelic
                                      'tag_artist'  13th floor Elevators
                                     'tag_release'  easter everywhere
                                       'tag_title'  dear dr. doom (beauty track)
                                             'bpm'  144.13
                                    'search_title'  'beauty':5,6 'dear':1 'doom':4 'dr':2,3 'track':7,8
                                   'search_artist'  '13th':1 'elevators':3 'floor':2
                                  'search_release'  'easter':1 'everywhere':2
                                     'search_rest'  '19':5 '1967':3,4 'classicprogpsy':1 'cppex':7 'elevators':2 'psychedelic':8 'rock':6
                                    'search_combo'  '13th':9B '19':18 '1967':16,17 'beauty':5A,6A 'classicprogpsy':14 'cppex':20 'dear':1A 'doom':4A 'dr':2A,3A 'easter':12C 'elevators':11B,15 'everywhere':13C 'floor':10B 'psychedelic':21 'rock':19 'track':7A,8A
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic rock', '60s', 'psychedelic', 'rock']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736032.7356274  (2021-05-11 14:27:12)
                             'size'  6091271