======================== unified (from filesystem) ========================
                                         'bitrate'  '120.139'
                                        'duration'  '105'
                                          'artist'  'Moondog'
                                     'text_people'  ''
                                         'release'  'Moondog'
                                           'title'  'To a Sea Horse'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['minimalist', 'classical', 'jazz', 'minimalism', 'avant garde', "
 "'experimental']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '14'
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;prerock-classical or classical instruments'
                                             'bpm'  '123.2'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Moondog'
'TBPM' (BPM (beats per minute))                     '123.2'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'prerock-classical or classical instruments']
'TDOR' (Original release time)                      '1956'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'To a Sea Horse'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Moondog'
'TPE2' (Band/orchestra/accompaniment)               'Moondog'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/14'
'TSO2'                                              'Moondog'
'TSOP' (Performer sort order)                       'Moondog'
'TXXX:ASIN'                                         'B000000Z63'
'TXXX:MusicBrainz Album Artist Id'                  '0b8dff0b-ce42-4cc6-afd1-1841f7781ed4'
'TXXX:MusicBrainz Album Id'                         '62bbbbc1-01ec-4278-986a-5440378ea1f2'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0b8dff0b-ce42-4cc6-afd1-1841f7781ed4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimalist', 'classical', 'jazz', 'minimalism', 'avant garde', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.08 dB'
'TXXX:replaygain_track_peak'                        '0.557929'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3118c513-d409-4825-aba6-f907745dd977')

========================== row from database ==========================
                                              'id'  759335
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/1956 - Moondog/07 - To A Sea Horse.mp3
                                         'working'  None
                                         'bitrate'  120
                                    'duration_sec'  105
                                           'genre'  electronic-unsorted;prerock-classical or classical instruments
                                        'filesize'  1593996
                                           'mtime'  1628352847
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1956 07 A electronic unsorted;prerock classical classical instruments
                                      'tag_artist'  Moondog
                                     'tag_release'  Moondog
                                       'tag_title'  To a Sea Horse
                                             'bpm'  123.2
                                    'search_title'  'a':2 'horse':4 'sea':3 'to':1
                                   'search_artist'  'moondog':1
                                  'search_release'  'moondog':1
                                     'search_rest'  '1956':1 'a':2 'classical':8 'electronic':3 'instruments':9 'prerock':5,7 'unsorted':4,6
                                    'search_combo'  '1956':7 'a':2A,8 'classical':14 'electronic':9 'horse':4A 'instruments':15 'moondog':5B,6C 'prerock':11,13 'sea':3A 'to':1A 'unsorted':10,12
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['minimalist', 'classical', 'jazz', 'minimalism', 'avant garde', 'experimental']
                                        'tag_date'  1956
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1628352847.1935432  (2021-08-07 18:14:07)
                             'size'  1593996