======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '195'
                                          'artist'  'Dwight Twilley Band'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  "I'm On Fire"
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['power pop', 'oklahoma', '70s', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '95'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '124.315'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '124.315'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "I'm On Fire"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dwight Twilley Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '95'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['power pop', 'oklahoma', '70s', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.731417'

========================== row from database ==========================
                                              'id'  1522353
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1975/095 - Dwight Twilley Band - I_m On Fire.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  195
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  3913172
                                           'mtime'  1620385123
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1975 095 I_m electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Dwight Twilley Band
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  I'm On Fire
                                             'bpm'  124.315
                                    'search_title'  'fire':5 'i':1 'im':3 'm':2 'on':4
                                   'search_artist'  'band':3 'dwight':1 'twilley':2
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1975':3 'billboard':15 'electronic':6 'generic':7 'i':4 'm':5 'or':8 'pl':14 'radio':9 'set':11,13 'top100':2 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':15 '1':14C '1975':17 'band':8B 'billboard':9C,29 'dwight':6B 'electronic':20 'fire':5A 'generic':21 'i':1A,18 'im':3A 'm':2A,19 'of':13C 'on':4A 'or':22 'pl':28 'pop':11C 'radio':23 'set':25,27 'singles':12C 'top':10C 'top100':16 'twilley':7B 'unsorted':24,26
                                    'tag_tracknum'  95
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['power pop', 'oklahoma', '70s', 'rock']
                                        'tag_date'  1975
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620385122.8314059  (2021-05-07 12:58:42)
                             'size'  3913172