======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '372'
                                          'artist'  'John Fahey'
                                     'text_people'  'John Fahey'
                                         'release'  'The Transfiguration Of Blind Joe Death'
                                           'title'  'Old Southern Medley'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['guitar', 'instrumental', 'blues', 'experimental', 'folk']"
                                     'discogstags'  "['rock', 'blues', 'country blues', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '144.0'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Transfiguration Of Blind Joe Death'
'TBPM' (BPM (beats per minute))                     '144.0'
'TCOM' (Composer)                                   'Daniel Decatur Emmet, John Fahey, Stephen Foster, Charley Patton'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TCOP' (Copyright message)                          'Riverboat Records'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'LAME 3.92'
'TIT2' (Title/songname/content description)         'Old Southern Medley'
'TKEY' (Initial key)                                '3B'
'TOPE' (Original artist(s)/performer(s))            'John Fahey'
'TPE1' (Lead performer(s)/Soloist(s))               'John Fahey'
'TPE2' (Band/orchestra/accompaniment)               'John Fahey'
'TPUB' (Publisher)                                  'Takoma'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'blues', 'country blues', 'folk rock']
'TXXX:lastfmtags'                                   ['guitar', 'instrumental', 'blues', 'experimental', 'folk']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.13 dB'
'TXXX:replaygain_track_peak'                        '0.523922'

========================== row from database ==========================
                                              'id'  1271384
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/John Fahey/The Transfiguration Of Blind Joe Death/john fahey - the transfiguration of blind joe death - 12 - old southern medley.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  372
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  8941172
                                           'mtime'  1621853571
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos john fahey transfiguration of blind joe death 12 old southern medley ifs songwriter folk
                                      'tag_artist'  John Fahey
                                     'tag_release'  The Transfiguration Of Blind Joe Death
                                       'tag_title'  Old Southern Medley
                                             'bpm'  144.0
                                    'search_title'  'medley':3 'old':1 'southern':2
                                   'search_artist'  'fahey':2 'john':1
                                  'search_release'  'blind':4 'death':6 'joe':5 'of':3 'the':1 'transfiguration':2
                                     'search_rest'  '00singer':1 'blind':8 'death':10 'eos':3 'fahey':5 'folk':15 'ifs':14 'joe':9 'john':4 'medley':13 'of':7 'old':11 'songwriter':2 'southern':12 'transfiguration':6
                                    'search_combo'  '00singer':12 'blind':9C,19 'death':11C,21 'eos':14 'fahey':5B,16 'folk':26 'ifs':25 'joe':10C,20 'john':4B,15 'medley':3A,24 'of':8C,18 'old':1A,22 'songwriter':13 'southern':2A,23 'the':6C 'transfiguration':7C,17
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'instrumental', 'blues', 'experimental', 'folk']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'blues', 'country blues', 'folk rock']

============================== file details ==============================
                                           'mtime'  1621853571.2724376  (2021-05-24 12:52:51)
                             'size'  8941172