======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '586'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Radio Archival Oddities'
                                           'title'  'Vin Scelsa Signs Off WFMU 1969'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '126.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Radio Archival Oddities'
'TBPM' (BPM (beats per minute))                     '126.6'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Vin Scelsa Signs Off WFMU 1969'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.217191'
'TXXX:tracknum'                                     '06'

========================== row from database ==========================
                                              'id'  506502
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Radio Archival Oddities (wfmu compilation tape)/side b [160k]/06 Vin Scelsa Signs Off WFMU 1969.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  586
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  11741600
                                           'mtime'  1637329893
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (wfmu compilation tape) side b [160k] 06 nonmusic speech comedy or drama
                                      'tag_artist'  [unknown]
                                     'tag_release'  Radio Archival Oddities
                                       'tag_title'  Vin Scelsa Signs Off WFMU 1969
                                             'bpm'  126.6
                                    'search_title'  '1969':6 'off':4 'scelsa':2 'signs':3 'vin':1 'wfmu':5
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'archival':2 'oddities':3 'radio':1
                                     'search_rest'  '160k':8,9 'b':7 'comedy':12 'compilation':3 'drama':14 'nonmusic':10 'or':13 'side':6 'speech':11 'tape':4,5 'wfmu':1,2
                                    'search_combo'  '160k':19,20 '1969':6A 'archival':10C 'b':18 'comedy':23 'compilation':14 'drama':25 'nonmusic':21 'oddities':11C 'off':4A 'or':24 'radio':9C 'scelsa':2A 'side':17 'signs':3A 'speech':22 'tape':15,16 'unknown':7B,8B 'vin':1A 'wfmu':5A,12,13
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329892.5521457  (2021-11-19 14:51:32)
                             'size'  11741600