======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '116'
                                          'artist'  'The Thurston Lava Tube'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'I Am the Walrus'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'surf rock', 'beatles', 'all', 'zappaesk']"
                                     'discogstags'  "['surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '130.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'I Am the Walrus'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Thurston Lava Tube'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Cordelia Records'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['surf', 'rock']
'TXXX:lastfmtags'                                   ['surf', 'surf rock', 'beatles', 'all', 'zappaesk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.413022'

========================== row from database ==========================
                                              'id'  648686
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/The_Thurston_Lava_Tube_-_I_am_the_Walrus.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  116
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1870884
                                           'mtime'  1636916442
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs The_Thurston_Lava_Tube_ _I_am_the_Walrus electronic experimental oddness
                                      'tag_artist'  The Thurston Lava Tube
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  I Am the Walrus
                                             'bpm'  130.1
                                    'search_title'  'am':2 'i':1 'the':3 'walrus':4
                                   'search_artist'  'lava':3 'the':1 'thurston':2 'tube':4
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'am':8 'electronic':11 'experimental':12 'i':7 'lava':5 'maniacs':2 'music':1 'oddness':13 'the':3,9 'thurston':4 'tube':6 'walrus':10
                                    'search_combo'  'am':2A,19 'electronic':22 'experimental':23 'for':10C 'i':1A,18 'lava':7B,16 'maniacs':11C,13 'music':9C,12 'oddness':24 'the':3A,5B,14,20 'thurston':6B,15 'tube':8B,17 'walrus':4A,21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'surf rock', 'beatles', 'all', 'zappaesk']
                                        'tag_date'  2007
                                     'discogstags'  ['surf', 'rock']

============================== file details ==============================
                                           'mtime'  1636916441.6961443  (2021-11-14 20:00:41)
                             'size'  1870884