======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '145'
                                          'artist'  'Joe Maphis'
                                     'text_people'  'Joe Maphis'
                                         'release'  'Flying Fingers (50s Columbia & Republic recs; Bear Family, 1996)'
                                           'title'  'Guitar Rock and Roll'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'country', 'all', 'bluegrass', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country-bluegrass;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '98.790'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000DCC 00000DCC 00002862 00002862 00011187 00011187 00005F47 00005F47 '
 '00009C40 00009C40')
'TALB' (Album/Movie/Show title)                     'Flying Fingers (50s Columbia & Republic recs; Bear Family, 1996)'
'TBPM' (BPM (beats per minute))                     '98.790'
'TCOM' (Composer)                                   'Joe Maphis'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country-bluegrass', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Guitar Rock and Roll'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Joe Maphis'
'TPE2' (Band/orchestra/accompaniment)               'Joe Maphis'
'TPUB' (Publisher)                                  'Bear Family'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['instrumental', 'country', 'all', 'bluegrass', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.442651'

========================== row from database ==========================
                                              'id'  766038
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Flying Fingers (50s Columbia & Republic recs; Bear Family, 1996)/03 Guitar Rock and Roll.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  145
                                           'genre'  loc-namerica-country-bluegrass;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  5836800
                                           'mtime'  1621627943
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 03 loc namerica country bluegrass;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Joe Maphis
                                     'tag_release'  Flying Fingers (50s Columbia & Republic recs; Bear Family, 1996)
                                       'tag_title'  Guitar Rock and Roll
                                             'bpm'  98.79
                                    'search_title'  'and':3 'guitar':1 'rock':2 'roll':4
                                   'search_artist'  'joe':1 'maphis':2
                                  'search_release'  '1996':12,13 '50s':3,4 'bear':9 'columbia':5 'family':10,11 'fingers':2 'flying':1 'recs':7,8 'republic':6
                                     'search_rest'  'bluegrass':7,9 'country':4 'exotica':2 'jazz':1 'loc':5 'mor':16 'namerica':6 'oldies':3 'pl':11 'set':8,10,13,15 'shirleyspinoza':12,14
                                    'search_combo'  '1996':18C,19C '50s':9C,10C 'and':3A 'bear':15C 'bluegrass':26,28 'columbia':11C 'country':23 'exotica':21 'family':16C,17C 'fingers':8C 'flying':7C 'guitar':1A 'jazz':20 'joe':5B 'loc':24 'maphis':6B 'mor':35 'namerica':25 'oldies':22 'pl':30 'recs':13C,14C 'republic':12C 'rock':2A 'roll':4A 'set':27,29,32,34 'shirleyspinoza':31,33
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'country', 'all', 'bluegrass', 'folk']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627942.6690116  (2021-05-21 22:12:22)
                             'size'  5836800