======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '95'
                                          'artist'  'n/a'
                                     'text_people'  ''
                                         'release'  'Hi-Fi Sounds for Hounds'
                                           'title'  'Drum & Bagpipe Parade'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['drone', 'ambient', 'noise', 'noise rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '112.196'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hi-Fi Sounds for Hounds'
'TBPM' (BPM (beats per minute))                     '112.196'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1957'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Drum & Bagpipe Parade'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'n/a'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['drone', 'ambient', 'noise', 'noise rock', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.706371'

========================== row from database ==========================
                                              'id'  768209
                                            'path'  /data/Music/Bulk/0nonmusic/Hi-Fi Sounds for Hounds (San Francisco Records, 1957) [320k]/04 (no artist) - Drum & Bagpipe Parade.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  95
                                           'genre'  electronic-unsorted
                                        'filesize'  3805665
                                           'mtime'  1678462738
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic (San Francisco Records, 1957) [320k] 04 (no artist) electronic unsorted
                                      'tag_artist'  n/a
                                     'tag_release'  Hi-Fi Sounds for Hounds
                                       'tag_title'  Drum & Bagpipe Parade
                                             'bpm'  112.196
                                    'search_title'  'bagpipe':2 'drum':1 'parade':3
                                   'search_artist'  'a':2 'n':1 'na':3
                                  'search_release'  'fi':2 'for':5 'hi':1 'hifi':3 'hounds':6 'sounds':4
                                     'search_rest'  '0nonmusic':1 '1957':7,8 '320k':9,10 'artist':13,14 'electronic':15 'francisco':4 'no':11,12 'records':5,6 'san':2,3 'unsorted':16
                                    'search_combo'  '0nonmusic':13 '1957':19,20 '320k':21,22 'a':5B 'artist':25,26 'bagpipe':2A 'drum':1A 'electronic':27 'fi':8C 'for':11C 'francisco':16 'hi':7C 'hifi':9C 'hounds':12C 'n':4B 'na':6B 'no':23,24 'parade':3A 'records':17,18 'san':14,15 'sounds':10C 'unsorted':28
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['drone', 'ambient', 'noise', 'noise rock', 'experimental']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678462737.6408472  (2023-03-10 16:38:57)
                             'size'  3805665